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___________?

Related Mcqs:

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...

A 100µF capacitor with a 12V source in series having frequency 50Hz will offer a capacitive reactance of about______________?

A. 32Ω B. 62Ω C. 50Ω D. 100Ω...

A wire of resistance R is coiled inductively so that its inductance is L. The impedance of the coil at a frequency of f is_______________?

A. (R+2πfL) B. R+1/2πfL C. (R2+f2L2) D. (R2+4π2f2L2)...

Ammeter connected in an AC circuit measures______________?

A. The exact value of the current B. RMS value of the current C. The net value of the current D. The peak value of the current...

An inductor may store energy in ________________?

A. Its electric field B. Its coils C. Its magnetic field D. Both electric and magnetic fields...