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Electrostatic Potential And Capacitance

Question

The instantaneous voltage through a device of impedance 20 Ω is e = 80 sin 100 $π$ t. What is effective value of current?

Solution

Given,
Instantaneous value of voltage, e = 80 sin 100 $π$ t.
Impedence = 20 $Ω$
Peak value of voltage, E_o = 80.
Therefore,
Current through the circuit, I = $\frac{E}{R} = \frac{80}{20} = 4 A$

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Electrostatic Potential And Capacitance

The instantaneous voltage through a device of impedance 20 Ω is e = 80 sin 100 $π$ t. What is effective value of current?

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Electrostatic Potential And Capacitance

The instantaneous voltage through a device of impedance 20 Ω is e = 80 sin 100 πt. What is effective value of current?

Some More Questions From Electrostatic Potential and Capacitance Chapter

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

The instantaneous voltage through a device of impedance 20 Ω is e = 80 sin 100 $π$ t. What is effective value of current?