An alternating current of r.m.s value of 2A and a steady direct curren – McqOptions

MCQOPTIONS

1.	An alternating current of r.m.s value of 2A and a steady direct current I flowing through identical resistors dissipate heat at the same rate. What is the current I?
A.	2A
B.	A
Answer» A. 2A

Discussion

No Comment Found

Related MCQs

A pure variable resistor is connected in series with a pure capacitor of fixed capacitance. The impedance of the circuit
a voltage V = V? cos ?t is applied across a resistor of resistance R the average power dissipated per cycle in the resistor is given by
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
An A.C series circuit containing 4? resistance and 3-? inductive reactance. The impedance of the circuit is
Ammeter connected in an AC circuit measures
An alternating current is represented by the equation I = I?sin?t which of the following equation represents an alternating current of frequency and amplitude twice that of the above current?
An alternating current of r.m.s value of 2A and a steady direct current I flowing through identical resistors dissipate heat at the same rate. What is the current I?
An electromagnetic wave consists of
An inductive coil has a resistance of 100?. When an AC signal of frequency 1000Hz is fed to the coil the applied voltage leads the current by 45?. What is the inductance of the coil?
An inductor may store energy in