Current Electricity Test

Result

Current Electricity Test - 146

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

A
3 Ω

B
2 Ω

C
1 Ω

D
1.5 Ω

Solution
Question 2
4 / -1

In the wheastone bridge shown below, in order to balance the bridge we must have

A

B

C

D

Solution
Question 3
4 / -1

A wire has resistance of 24 Ω is bent in the following shape. The effective resistance between A and B is

A
24 Ω

B
10 Ω

C

D
None of these

Solution
Question 4
4 / -1

The potential difference across 8 Ω resistance is 48V as shown in the figure. The value of potential differences across X and Y will be

A
180 V

B
160 V

C
140 V

D
120 V

Solution
Question 5
4 / -1

If power dissipated in 5Ω resistor in 20W, then power dissipated across 4Ω resistor will be.

A
1 W

B
2 W

C
3 W

D
4 W

Solution
Question 6
4 / -1

In the given curcuit, the value of current through 2Ω resistor is....

A
2 A

B
4 A

C
Zero

D
5A
Question 7
4 / -1

A curent of 3A flows from A to B through the wire shown in figure If the potential at A is 45V, then the potential at B will be

A
17 V

B
9 V

C
12 V

D
6 V

Solution
Question 8
4 / -1

In the given figure, battery E is balanced on 55 cm length of potentiometer wire but when a resistance of 10 Ω is connected in parallel with the battery then it balances on 50cm length of the potenitometer wire then internal resistance r of the battery is.

A
1 Ω

B
3 Ω

C
10 Ω

D
5 Ω

Solution
Question 9
4 / -1

Form the graph between current I and voltage V shown below, identity the portion corresponding to negative resistance.

A
AB

B
BC

C
CD

D
DE
Question 10
4 / -1

Find the current in the differrent resistors shown in figure

A
Zero

B
2 Amp.

C
2.2 Amp.

D
4 Amp.

Solution