Current Electricity Test

Result

Current Electricity Test - 140

Score
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Weekly Quiz Competition

Question 1
4 / -1

Seven resistors, each of resistance 5 Ω, are connected as shown in fig, The equivalent resistance between points A and B is....

A
1 Ω

B
7 Ω

C
35 Ω

D
49 Ω
Question 2
4 / -1

A
0.5A

B
1.5A

C
2.0A

D
3.5A
Question 3
4 / -1

In the circuit shown in fig, the effective resistance between A and B is....

A

B
R

C
2R

D
4R

Solution
Question 4
4 / -1

The reading of the ammeter in the circuit in Fig, is ....

A

B

C

D

Solution
Question 5
4 / -1

Eight cells marked 1 to 8, each of emt 5V and internal resistance 0.2Ω are connected as shown in Fig, what is the reading of the ideal voltmeter V?

A
40 V

B
20 V

C
5V

D
Zero
Question 6
4 / -1

In the given circuit it is observed that the current I is independent of the value of the resistance R ₆ Then the resistance values must satisfy(see fig)

A

B

C

D

Solution
Question 7
4 / -1

In the potentiometer circuit shown in fig, the internal resistance of the 6V battery is 1Ω and the length of the wire is 100 cm. when AD = 60 cm, the galvanometer shows no deflection. The emf of cell c is (the resistance of wire AB is 2Ω)

A
0.7 V

B
0.8 V

C
0.9 V

D
1.0V

Solution
Question 8
4 / -1

The potential difference through the 3Ω resistor shown in fig is....

A
Zero

B
1V

C
3.5V

D
7V
Question 9
4 / -1

A battery of internal resistance 4Ω is connected to the network of resistances as shown in fig, in order that maximun power can be delivered to the network, the value of R in ohm should be.

A

B
2

C

D
18

Solution
Question 10
4 / -1

Calculate net resistance between A and B

A

B

C
4r

D