Current Electricity Test

Result

Current Electricity Test - 132

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

n resistors each of resistance r are connected to a battery of emf E and internal resistance r. Then the ratio of terminal voltage to emf of battery =....

A

B

C

D

Solution
Question 2
4 / -1

Masses of three conductors of same material are in the proportion of 1:2:3 their lengths are in the proportion of 3:2:1 then their resistance will be in the proportion of....

A
1 : 1 : 1

B
1 : 2 : 3

C
9 : 4 : 1

D
27 : 6 : 1

Solution
Question 3
4 / -1

A
4 Ω

B
3 Ω

C
2 Ω

D
1 Ω

Solution
Question 4
4 / -1

A

B

C

D
Question 5
4 / -1

A bulb of 300W and 220V is connected with a source of 110V. What is the % decrease in power?

A
100%

B
75%

C
70%

D
25%
Question 6
4 / -1

Length of a heating filament is reduced by 20% its power will...

A
Decrease by 20%

B
Increaseby 20%

C
Increase by 25%

D
Incease by 40%

Solution
Question 7
4 / -1

What maximum power can be obtained from a battery of emf ε and internal resistance r connected with an external resistance R?

A

B

C

D

Solution
Question 8
4 / -1

A
2160 K

B
1800 K

C
2070 K

D
2300 K

Solution
Question 9
4 / -1

A

B

C

D

Solution
Question 10
4 / -1

A
1400 K

B
1200 K

C
1000 K

D
800 K

Solution