Current Electricity Test

Result

Current Electricity Test - 130

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

Which is the dimensional formula for condutance from the give below?

A

B

C

D
Question 2
4 / -1

A
500 m

B
5000 m

C
20,000 m

D

Solution
Question 3
4 / -1

How would you arrange 48 cells each of e.m.f 2V and internal resistance 1.5Ω so as to pass maximum current through the external resistance of 2Ω ?

A
2 cells in 24 groups

B
4 cells in 12 groups

C
8 cells in 6 groups

D
3 cells in 16 groups
Question 4
4 / -1

How many dry cells, each of emf 1.5V and internal resistance 0.5Ω, much be joined in series with a resistor of 20Ω to give a current of 0.6A in the circuit ?

A
2

B
8

C
10

D
12

Solution
Question 5
4 / -1

Two electirc bulbs whose resistances are in the ratio of 1:2 are connected in parallel to a constant voltage source the power dissipated in them have the ratio.

A
1 : 2

B
1 : 1

C
2 : 1

D
1 : 4

Solution
Question 6
4 / -1

If the above two bulbs are connected in series, the power dissipatd in them have the ratio:

A
1 : 2

B
1 : 1

C
2 : 1

D
1 : 4

Solution
Question 7
4 / -1

An electric kettle has two coils. when once of them is switched on, the water in the kettle boils in 6 minutes. When the other coil is switched on, the water boils in 3 minutes If the two coils are connected in series the time taken to boil water in the kettle is:

A
3 minutes

B
6 minutes

C
2 minutes

D
9 minutes

Solution
Question 8
4 / -1

An electric kettle has two coils when one of these is switched on. the water in the kettle boils in 6 minutes. When the other coil is switched on, boils in 3 minutes If the two coils are connected in parallel, the time taken to boil water in the kettle is.

A
3 minutes

B
6 minutes

C
2 minutes

D
9 minutes

Solution
Question 9
4 / -1

The potential difference between the terminals of a battery is 10V and internal resistance 1Ω drops to 8V when connected across an external resistor find the resistance of the external resistor.

A
40 Ω

B
0.4 Ω

C
4M Ω

D
4 Ω

Solution
Question 10
4 / -1

Two heater wires of equal length are first connected in series and then in parallel The ratio of heat produced in the two cases is....

A
2 : 1

B
1 : 2

C
4 : 1

D
1 : 4