Question

A bulb is rated at 10V,10mA.Calculateits(a) power and (b)resistance​

Answer 1

• Given :

V = 10V

I = 10mA

• To Find

A) Power P = ?

B) Resistance R = ?

• Formula :

A) P = VI

B) P = I^2R

• Calculation :

A) P = 10*10*10^-3

P = 0.1 Watt

B) R = 0.1*10000

R = 1000 ohm

• Answer :

A) P = 0.1 Watt

B) R = 1000 ohm