Question

The equation of an alternating voltage is V = 220sin[wt + pi/6] and the equation for current is i = 10sin[wt + pi/6]. The impedance (in ohm) of circuit is
a) 11
b) 44
c) 20
d) 22

Answer 1

The impedance (in ohm) of circuit is 22Ω.

Explanation:

Given data:

• The equation of an alternating voltage is V = 220 sin[wt + pi/6]
• The equation for current is i = 10 sin[wt + pi/6].

To find:

Impedance of circuit = ?

V0 / I0 = 220 / 10 = 22Ω

Thus the impedance (in ohm) of circuit is 22Ω.

Also learn more

What is the resistance of a circuit with a voltage of 10 volts (V) and a current of 5 amps (A)? Use Ohm’s law to calculate the resistance. The resistance of a circuit with a voltage of 10 V and current of 5 A is 2 ohms. ?

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