Question

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If a current of 5 A flows through a wire of resistance of 3 ohms. What is the voltage in the circuit.

Answer 1

Given

Current = 5 A

Resistance = 3 Ω

To Find

Voltage

Solution

We know that

Ohm's law

$\rm \longrightarrow V=IR$

Here

• V = Voltage
• I = Current
• R = Resistance

Units

• V = Volt (V)
• I = Ampere (A)
• R = Ohm (Ω)

According to the question

We are asked to find voltage

Therefore

We must find "V"

Given that

Current = 5 A

Resistance = 3 Ω

Hence

• I = 5 A
• R = 3 Ω

Substituting the values

We get

$\rm \longrightarrow V=5 \times 3 \ V$

Therefore

$\rm \longrightarrow V=15 \ V$

Hence

Voltage = 15 V

Answer 2

Answer:

Given :-

• A current of 5 A flows through a wire of resistance of 3 ohms.

To Find :-

• What is the voltage in the circuit.

Formula Used :-

$\boxed{\bold{\large{V\: =\: IR}}}$

where,

• V = Voltage
• I = Current
• R = Resistance

Solution :-

Given :

• Current (I) = 5 A
• Resistance (R) = 3 ohms

According to the question by using the formula we get,

⇒ V = 5 × 3

➠ V = 15 V

$\therefore$ The voltage in the circuit is 15 V .

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⍟︎ Extra Information ⍟︎

❶ Voltage :-

• Voltage is the difference in charge between two points.
• Voltage is measured in volts, symbolized by the letters "E" or "V".

❷ Current :-

• Current is the rate at which charge is flowing.
• Current is measured in ampere, symbolized by the letters "l".

❸ Resistance :-

• Resistance is a materials tendency to resist the flow of charge.
• Resistance is measured in ohms, symbolized by the letters "R".

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