Current Electricity Test

Result

Current Electricity Test - 89

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Weekly Quiz Competition

Question 1
4 / -1

There are n similar conductors each of resistance R. The resultant resistance comes out to be x when connected in parallel. If they are connected in series, the resistancecomes out to be

A
x/n²

B
n²x

C
x/n

D
nx

Solution
Question 2
4 / -1

Equivalent resistance between A and B will be

A
2 Ω

B
18 Ω

C
6 Ω

D
3.6 Ω

Solution
Question 3
4 / -1

The effective resistance between the points A and B in the figure is

A
5 Ω

B
2 Ω

C
3 Ω

D
4 Ω

Solution
Question 4
4 / -1

Nine resistors each of 1 k Ω are connected to a battery of 6 V as shown in the circuit given below. What is the total current flowing in the circuit?

A
3mA

B

C

D
2mA

Solution
Question 5
4 / -1

Three resistances of 4 Ω each are connected as shown in figure. If the point D divides the resistance into two equal halves, the resistance between point A and D willbe

A
12 Ω

B
6 Ω

C
3 Ω

D
1/3 Ω

Solution
Question 6
4 / -1

The potential difference between A and B in the following figure is

A
24 V

B
14 V

C
32 V

D
48 V

Solution
Question 7
4 / -1

A metallic wire of resistance of 12 Ω is bent to form a square. The resistance between two diagonal points would be

A
12 Ω

B
24 Ω

C
6 Ω

D
3 Ω

Solution
Question 8
4 / -1

The equivalent resistance of resistors connected in series is always

A
Equal to the mean of component resistors

B
Less than the lowest of component resistors

C
In between the lowest and the highest of component resistors

D
Equal to sum of component resistors

Solution
Question 9
4 / -1

Figure shows a network of eight resistors, each equal to 2 Ω, connected to a 3V battery of negligible internalresistance. The current I in the circuit is 3V

A
0.25 A

B
0.50 A

C
0.75 A

D
1.0 A

Solution
Question 10
4 / -1

If the ammeter in the given circuit reads 2 A, the resistance R is

A
1 ohm

B
2 ohm

C
3 ohm

D
4 ohm

Solution