Alternating CurrentHard
Question
When 100V D.C. is applied across a coil a current of 1A flows through it. When 100V A.C. of 50 Hz is applied to the same coil only 0.5A flows. The inductance of the coil is :−
Options
A.0.55 H
B.55 mH
C.0.55 mH
D.5.5 mH
More Alternating Current Questions
In an A.C. circuit inductance, capacitance and resistance are connected. If the effective voltage across inductance is V...A bulb and a capacitor are connected in series to a source of alternating current. If its frequency is increased, while ...An AC voltage source of variable angular frequency ω and fixed amplitude V0 is connected in series with a capacitan...In an AC circuit, the power factor -...A circuit with e.m.f. E = 200 sin ωt and I = sin ωt, contains a capacitance and inductance, then the value of ...