Question

A current of 0.2A flows through a component with a resistance of 40ohms calculate the potential difference

Answer 1

Answer:

8V

Explanation:

Given parameters:

Current = 0.2A

Resistance  = 40ohms

Unknown:

Potential difference = ?

Solution:

Potential difference is force that drives current in an electric circuit.

According to Ohms law, it is given as;

   V = IR

V is the potential difference

I is the current

R is the resistance

 Now, insert the parameters and solve;

    V = 0.2 x 40  = 8V

Answer 2

Explaination :

Here we have been given with the amount of current which flows through the component that is 0.2A and resistance that is of 40Ω. So we would be using Ohm's law to calculate the potential difference (V).

★ Ohm's Law :

• V = IR

Here,

• V is potential difference
• R is resistance
• I is current

★ We have :

• R = 40Ω
• I = 0.2A

★ Substituting the values :

>> V = 0.2(40)

>> V = (2 / 10) × 40

>> V = 2 × 4

>> V = 8

★ Therefore,

• Potential difference is of 8V.