Question

Find the current through the conductor and potential difference across the conductor, if
the conductor has resistance of 5 Ω and produces 100 J of heat every second, when
current is passed through it by connecting to a battery.

Answer 1

R=5 ohm H=100J t= 1 sec V=? I =?
H=I^2 ×R×t
100=I ^2×5×1
I^2 =20
I=2 root 5 A
Q=I×t =2root 5 ×1=2root5 C
H=Q×V
V=H/Q =100/2root5 =10root5 V

Answer 2

hello friend...!!

• According to the question, we should calculate the current flowing through the conductor and the potential difference

• Given that,

R = 5 ohm

H = 100 J

T = 1 sec

we know that,

H = I^2 R T

implies,

I^2 = 100 / 5 x 1

I = 2√5 ampere --------(1)

therefore the current in the circuit is 2√5 ampere

we know that

V = IR

implies,

V = 2√5 x 5

V = 10√5volt.

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Hope it is useful...!!