SaraNextGen Study App [2023-24]
Last Updated On 01-06-2023 - By Jeesha Sara

An electric heater of resistances 6  is run for 10 min on 120 V line. The energy librated in this period of time is?

a)

 J

b)

14.4  J

c)

43.2  J

d)

28.8  J


Question ID - 150335 :-

An electric heater of resistances 6  is run for 10 min on 120 V line. The energy librated in this period of time is?

a)

 J

b)

14.4  J

c)

43.2  J

d)

28.8  J

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

Energy liberated

 J



Next Question :

A certain piece of silver of given mass is to be made like a wire. Which of the following combinations of length  and the area of cross-section  will lead to the smallest resistance

a)

 and

b)

 and

c)

 and

d)

Any of the above, because volume of silver remains same


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