Current Electricity Test

Result

Current Electricity Test - 69

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

A wire of resistor R is bent into a circular ring of radius r. Equivalent resistance between two points X and Y on its circumference, when angle XOY is ∝ , can be given by

A

B

C

D

Solution
Question 2
4 / -1

Potential difference across the terminals of the battery shown in figure is (r = internal resistance of battery)

A
8 V

B
10 V

C
6 V

D
Zero
Question 3
4 / -1

As the switch Sis closed in the circuit shown in figure, current passing through it is

A
4.5 A

B
6.0 A

C
3.0 A

D
Zero

Solution
Question 4
4 / -1

In the following circuit a 10 m long potentiometer wire with resistance 1.2 ohm/m, a resistance R₁ and an accumulator of e.m.f 2 V axe connected in series. When the e.m.f of thermocouple is 2.4 mV then the deflection in galvanometer is zero. The current supplied by the accumulator will be

A
4 × 10^–4 A

B
8 × 10^–4 A

C
4 × 10^–3 A

D
8 × 10^–3 A

Solution
Question 5
4 / -1

In the following circuit, bulb rated as 1.5 V, 0.45 W. If bulbs glows with full intensity then what will be the equivalent resistance between X and Y

A
0.45 Ω

B
1 Ω

C
3 Ω

D
5 Ω

Solution
Question 6
4 / -1

Consider the circuits shown in the figure. Both the circuits are taking same current from battery but current through R in the second circuit is 1/10 the current through R in the first circuit. If R is 11 Ω, the value of R₁

A
9.9Ω

B
11Ω

C
8.8Ω

D
7.7Ω

Solution
Question 7
4 / -1

In order to quadruple the resistance of a uniform wire, a part of its length was uniformly stretched till the final length of the entire wire was 1.5 times the original length the part of the wire was fraction equal to

A
1/8

B
1/6

C
1/10

D
1/4

Solution
Question 8
4 / -1

In the circuit shown in figure reading of voltmeter is V₁ when only S₁ is closed, reading of voltmeter is V₂ when only S₂ is closed and reading of voltmeter is V₃ when both S₁ and S₂ are closed. Then

A
V₃ > V₂ > V₁

B
V₂ > V₁ > V₃

C
V₃ > V₁ > V₂

D
V₁ > V₂ > V₃

Solution
Question 9
4 / -1

Current through wire XY of circuit shown is

A
1 A

B
4 A

C
2 A

D
3 A

Solution
Question 10
4 / -1

12 cells each having same e.m.f are connected in series with some cells wrongly connected. The arrangement is connected in series with an ammeter and two cells which are in series. Current is 3 A when cells and battery aid each other and is 2 A when cells and battery oppose each other. The number of cells wrongly connected is

A
4

B
1

C
3

D
2

Solution