Current Electricity Test

Result

Current Electricity Test - 74

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Weekly Quiz Competition

Question 1
4 / -1

Assertion In a simple battery circuit the point of lowest potential is positive terminal of the battery.
Reason The current flows towards the point of the higher potential as it flows in such a circuit from the negative to the positive terminal.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 2
4 / -1

Assertion The temperature coefficient of resistance is positive for metals and negative for p-type semiconductor.
Reason The effective charge carriers in metals are negatively charged whereas in p-type semiconductor they are positively charged.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 3
4 / -1

Assertion In the following circuit e.m.f is 2V and internal resistance of the cell is 1 Ω and R = 1 Ω, then reading of the voltmeter is 1 V.
Reason V = E – ir where E = 2V, i = 2/2 = 1A and 2 R = 1 Ω

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.

Solution
Question 4
4 / -1

Assertion There is no current in the metals in the absence of electric field.
Reason Motion of free electrons is random.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 5
4 / -1

Assertion Electric appliances with metallic body have three connections, whereas an electric bulb has a two pin connection.
Reason Three pin connections reduce heating of connecting wires.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 6
4 / -1

Assertion The drift velocity of electrons in a metallic wire will decrease, if the temperature of the wire is increased.
Reason On increasing temperature, conductivity of metallic wire decreases.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 7
4 / -1

Assertion The electric bulbs glows immediately when switch is on.
Reason The drift velocity of electrons in a metallic wire is very high.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 8
4 / -1

Assertion Bending a wire does not effect electrical resistance.
Reason Resistance of wire is proportional to resistivity of material.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.

Solution
Question 9
4 / -1

Assertion In meter bridge experiment, a high resistance is always connected in series with a galvanometer.
Reason As resistance increases current through the circuit increases.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

B
If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 10
4 / -1

Assertion Voltameter measures current more accurately than ammeter.
Reason Relative error will be small if measured from voltameter.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.

Solution

User

Question Analysis

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Re-Attempt Weekly Quiz Competition

Current Electricity Test - 74

Result

Current Electricity Test - 74

Score

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Rank

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SHARING IS CARING

Question 1

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 2

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 3

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Solution

Question 4

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 5

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 6

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 7

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 8

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Solution

Question 9

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 10

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Solution

User

Question Analysis

My Perfomance

Score

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Rank

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