Question

. A 6 ohm resistor is connected to a 15 volt battery.
a. What is the current in the circuit?
b. How much heat is produced in 10 minutes?

Answer 1

Answer:

2.5A , 22500 JOULE

Explanation:

Resistance (R)= 6 ohm

Voltage (V) = 15 volt

a)

Current (I) = ?

From ohm's law,

V=IR

15 = 6*I

I = 2.5 A

b)

time(t) = 10min = 600 second

heat energy (Q) = ?

from Joule's law of heating,

Q = I²*R*t

Q = 2.5² *6*600

Q = 22500 Joule

hence, heat energy produced is 22500 joule.