Alternating CurrentMedium
Question
A direct current of 2 A and an alternating current having a maximum value of 2 A flow through two identical resistances. The ratio of heat produced in the two resistances in the same time interval will be:
Options
A.1 : 1
B.1 : 2
C.2 : 1
D.4 : 1
More Alternating Current Questions
A student connects a long air cored - coil of manganin wire to a 100 V D.C. supply and records a current of 25 amp. When...A virtual current 4A and 50 Hz flows in an circuit containing a coil the power consumed in the coil is 240 W. If the vir...If the output of an A.C. generator is E = 170 sin 377t, then the frequency will be :...A condenser of capacity 6 μF is fully charged using a 6-volt battery. The battery is removed and a resistance less ...In transformer, power of secondary coil is:-...