Current Electricity Test

Result

Current Electricity Test - 21

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Weekly Quiz Competition

Question 1
4 / -1

In the circuit shown in Fig. which of the following statement is correct?

A
pot. diff. across R is 10 V

B
pot. diff. across the middle resistance is 15 V

C
current through 20 Ω resistance is 1 A

D
resistance R = 16 Ω
Question 2
4 / -1

In the circuit shown in Fig. the point F is grounded. Which of the following is wrong statement?

A
D is at 5 V

B
E is at zero potential

C
The current in the circuit will be 0.5 A

D
The potential at E is same whether or not F is gounded
Question 3
4 / -1

The current in the fig.

A

B

C

D
Question 4
4 / -1

Current passing through 1 Ω resistance is zero. Then the emf E is

A
8 V

B
10 V

C
6 V

D
16 V
Question 5
4 / -1

Two cells with the same e.m.f E and different internal resistances r₁ and r₂ are connected in series to an external resisance R.A value for R be selected such that the p.d. at the first cell should be zero, when

A

B

C

D

Solution
Question 6
4 / -1

A
(i) alone

B
(ii) alone

C
(ii) and (iii)

D
(i), (ii) and (iii)

Solution
Question 7
4 / -1

Two resistances R₁ and R₂ are joined as shown in fig., to two batteries of e.m.f. E₁ and E₂. If E₂ is short circuited the current through R₁ is

A
E₁/R₁

B
E₂/R₁

C
E₂/R₂

D
E₁/(R₁+R₂)
Question 8
4 / -1

The circuit shows (Fig.) the cell is ideal with e.m.f.=15V, each resistance is of 3Ω. The potential difference across the capacitor is

A
Zero

B
9 V

C
12 V

D
15 V

Solution
Question 9
4 / -1

In the circuit shown below the readings of the ammeter and voltmeter are

A
6A, 60 V

B
0.6 A, 6V

C
6A, 6V

D

Solution
Question 10
4 / -1

In the circuit, shown in Fig. If the potential at B, V_B = 0, then potential at A and D are

A
V_A = – 1.5 V, V_D = + 2 V

B
V_A = + 1.5 V, V_D = + 0.5V

C
V_A= + 1.5 V, V_D = + 2V

D
V_A = + 1.5 V, V_D = – 0.5 V

Solution