The primary and secondary coil of the transformer have 50 and 1500 turns respectively
The primary and secondary coil of the transformer have 50 and 1500 turns respectively. If the magnetic flux ? linked…
8 years ago
Questions
A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
A step-down transformer has 50 turns on secondary and 1000 turns on primary winding. If a transformer is connected to…
8 years ago
A step-up transformer operates on a 230 V line and supplies a current of 2 A.
A step-up transformer operates on a 230 V line and supplies a current of 2 A. The ratio of primary…
8 years ago
Transformer is used to
Transformer is used to Options (a) convert AC to DC voltage (b) convert DC to AC voltage (c) obtain desired…
8 years ago
The average power dissipated in a pure inductor is
The average power dissipated in a pure inductor is Options (a) VI²/4 (b) 1/2 VI (c) zero (d) VI² Correct…
8 years ago
In a circuit, L,C and R are connected in series with an alternating voltage source
In a circuit, L,C and R are connected in series with an alternating voltage source of frequency f. The current…
8 years ago
In an L-C-R series resonant circuit, the capacitance is changed from C to 4C.
In an L-C-R series resonant circuit, the capacitance is changed from C to 4C. For the same resonant frequency, the…
8 years ago
The electric current in AC circuit is given by the relation i-3 sinωt+4 cos ωt.
The electric current in AC circuit is given by the relation i-3 sinωt+4 cosωt. The rms value of the current…
8 years ago
In a circuit, the current lags behind the voltage by a phase difference of π/2.
In a circuit, the current lags behind the voltage by a phase difference of π/2. The circuit contains which of…
8 years ago
An inductor coil is connected to a 12 V battery and drawing a current 24 A. This coil
An inductor coil is connected to a 12 V battery and drawing a current 24 A. This coil is connected…
8 years ago