The power in an electrical circuit is given by the equation p = / 2 r, where / is the current flowing through the circuit. what is the current in a circuit that has resistance of 100 ohms and a power of 15 watts?

A. 0.15 amps

B. 0.39 amps

C. 6.7 amps

D. 2.6 amps

Question

Mathematics

Branden

23 January, 22:32

The power in an electrical circuit is given by the equation p = / 2 r, where / is the current flowing through the circuit. what is the current in a circuit that has resistance of 100 ohms and a power of 15 watts?

A. 0.15 amps

B. 0.39 amps

C. 6.7 amps

D. 2.6 amps

+2

Answers (2)

Know the Answer?

Ben Brown · Answer 1

in your as

Step-by-step explanation:

1 - 0

Maverick Villarreal · Answer 2

Actually, the equation is

power (in Watts) = I² * r

I - current in amps and r - resistance in watts

Solving this for the current (I)

I = square root (power / resistance)

I = square root (15 / 100)

I = square root (.15)

I = 0.3872983346 amps

answer is B

The power in an electrical circuit is given by the equation p = / 2 r, where / is the current flowing through the circuit. what is the current in a circuit that has resistance of 100 ohms and a power of 15 watts?A. 0.15 ampsB. 0.39 ampsC. 6.7 ampsD. 2.6 amps

The power in an electrical circuit is given by the equation p = / 2 r, where / is the current flowing through the circuit. what is the current in a circuit that has resistance of 100 ohms and a power of 15 watts?

A. 0.15 amps

B. 0.39 amps

C. 6.7 amps

D. 2.6 amps