A resistor develos 400 J of thermal ener...

A resistor develos 400 J of thermal energy in 10 s when a current of 2 A passed through it.
(a) Find its resistance.
( c) if the current is increases to 4 A, what will be the energy developed in 20 s.

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A resistor develos 400 J of thermal energy in 10 s when a current of 2 A passed through it. (a) Find its resistance. ( c) if the current is increases to 4 A, what will be the energy developed in 20 s.

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A resistor develos 400 J of thermal energy in 10 s when a current of 2 A passed through it.
(a) Find its resistance.
( c) if the current is increases to 4 A, what will be the energy developed in 20 s.