the resistance of a heater with a current of 12 A and plugged to a voltage of 120 V is B. 10 Ω
Resistance: This can be defined as the opposition to the flow of current in an electric circuit.
In other to solve the problem above, make use of ohm's law
Ohm's can be represented mathematically as
V = IR................... Equation 1
Where V = Voltage, I = Current, R = Resistance
From the question,
make R the subject of the equation
R = V/I.............. Equation 2
Given: V = 120 V, I = 12 A
Substitute these values into equation 2
R = 120/12
R = 10 Ω
Hence the resistance of the heater is B. 10 Ω
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