Question

A motor in a radio control car uses 7.2 volts and draws 14.4 Amps of electricity. What is the resistance of the motor?

Answer 1

Answer :

0.5 Ω

Explanation:

The following data were obtained from the question:

Voltage (V) = 7.2 V

Current (I) = 14.4 A

Resistance (R) =..?

The resistance of the motor can be obtained by applying the ohm's law equation as shown below:

V = IR

7.2 = 14.4 × R

Divide both side by 14.4

R = 7.2/14.4

R = 0.5 Ω

Therefore, the resistance is 0.5 Ω

Answer 2

0.5 Ω

Step-by-step explanation:

The following data were obtained from the question:

Voltage (V) = 7.2 V

Current (I) = 14.4 A

Resistance (R) =..?

The resistance of the motor can be obtained by applying the ohm's law equation as shown below:

V = IR

7.2 = 14.4 × R

Divide both side by 14.4

R = 7.2/14.4

R = 0.5 Ω

Therefore, the resistance is 0.5 Ω