An alternating current is represented by the equation I = I∫sinπt which of the following equation represents an alternating current of frequency and amplitude twice that of the above current ?

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pure resistor circuit the voltage and current are_______________?

A. Lagging each other B. They are at 90? phase difference C. They have zero phase difference D. No phase difference...

When A.C current passes through a capacitor then the current relationship will be_______________?

A. The current lead voltage by phase angle is 90 degrees B. The voltage leads current by phase angle is 90 degrees C. The current lead voltage by phase angle is 45 degrees D. The voltage leads current by phase angle is 45 degrees...

n an LCR series circuit, if V is the effective value of the applied voltage VR is the voltage across R VL is the effective voltage across L & Vc is the effective voltage across C then_______________?

IA. V = VR+VL+VC B. V2 = VR2+VL2+VC2 C. V2 = VR2+(VL-VC)2 D. V2 = VL2+(VR-VC)2...

A voltage V = V0 cos ωt is applied across a resistor of resistance R the average power dissipated per cycle in the resistor is given by___________?

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Two identical coaxial circular loops carry equal currents in the same direction. If the loops approach each other the current in______________?

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