Question

What is the voltage of a circuit with 15 amps of current and toaster with 8 ohms of resistance?

Answer 1

Current I= 15 A
Resistance R = 8 ohms

V= IR
= 15*8
=120 V
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Answer 2

Concept

• Voltage is a quantitative measure of the potential difference in charge between two places in an electrical field. It is also known as electromotive force.
• The rate of passage of electrons in a conductor is defined as electric current. The ampere is the SI unit of electric current.
• Resistance is a characteristic of a conductor that opposes the flow of electric current through it.

Given

Electric current given is 15 amps

Resistance given is 8 ohms

Find

We need to find the voltage of the circuit

Solution

Resistance = 8 ohm

Current =  15 A

Voltage = ?

According to formula ,

V = IR

V = 15*8 = 120 V

Hence the voltage is 120 V

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