Question

I=. 5 ,R=100 ohm, t= 10minutes​

Answer 1

Answer:

V= 500v

Explanation:

V=IR

I=5A

R= 100 ohm

V= 5*100

= 500

Answer 2

Answer Expert Verified

4.0/5

23

Cosmique

Answer:

Heat released = 120 Joules

Power = 1 Watt

Explanation:

Given

Current flowing through the resistor, I = 0.1 A

Resistance of resistor, R = 100 Ω

Time for which current flowed, t = 2 min = 2 × 60 sec = 120 sec

To find

Heat released, H =?

Power, P =?

Formulae required

Formula for Joule's law of heating  

      H = I² × R × t

Formula to calculate power

      P = I² × R

[ Where H is heat produced, I is current, R is resistance, t is time taken and P is power ]

Solution

Using expression for Joule's heating law

→ H = I² × R × t

→ H = ( 0.1 )² × ( 100 ) × 120

→ H = 0.01 × 100 × 120

→ H = 120 J

Now, Using Formula to calculate power

→ P = I² × R

→ P = ( 0.1 )² × ( 100 )

→ P = 0.01 × 100

→ P = 1 W

Therefore,

Heat released is equal to 120 Joules. and

Power is equal to 1 Watt.

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