Alternating CurrentHard
Question
In a step up transfomer the trun ratio is 1 : 2. A cell of 1.5 V is connected across primary. The voltage across secondary is -
Options
A.3V
B.1.5 V
C.0.75 V
D.zero
More Alternating Current Questions
In the above question, the phase difference between voltage and current is :-...A town situated 20 km away from a power house at 440 V, requires 600 KΩ of electric power at 220 V. The resistance ...A bulb and a capacitor are connected in series to a source of alternating current. If its frequency is increased, while ...A coil has an inductance of H and is joined in series with a resistance of 220 Ω. When an alternating e.m.f. of 220...Energy dissipates in LCR circuit in :...