An alarm clock has a current of 4.5 amps and a resistance of 3.2 ohms. what is the voltage in the circuit? a. 1.4 volts b. 0.71 volts c. 14 volts d. 46 volts

14.4 V

Concept being tested: Current and electricity-Ohm's law

To answer this question we need to know the Ohm's law

In this case;

Current, I = 4.5 Amps

Resistance, R = 3.2 ohms

We are required to calculate the voltage.

But;

V=IR

   = (4.5 Amps × 3.2 ohms)

   = 14.4 V

Therefore, the voltage in the circuit is 14.4 V

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