An electromagnetic wave consists of _____________________?

Alternating Current 08/02/2021

A. Electric and magnetic fields moving parallel to each other
B. Magnetic field moving with velocity of light in space
C. Electric field moving with velocity of light
D. Electric and magnetic fields moving perpendicular to each other

Related Mcqs:

    To find the r.m.s value of an alternating current mathematically we need to have ________________?
    A. Mean value of I2 B. Square root of mean value of I2 C. Square root of I2 D. Square of 1/2...
    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___________?
    A. V√/√2R B. V/√2√R C. V02/√2R D. 2/√2√R...

Leave a Reply

Your email address will not be published. Required fields are marked *