An electron moves on a straight line path XY as shown. The abcd is a coil adjacent
An electron moves on a straight line path XY as shown. The abcd is a coil adjacent to the path…
6 years ago
Electromagnetic Induction
A conducting square frame of side ‘a’ and a long straight wire carrying current I
A conducting square frame of side 'a' and a long straight wire carrying current I are located in the same…
6 years ago
A thin semicircular conducting ring (PQR) of radius r is falling with its plane
A thin semicircular conducting ring (PQR) of radius r is falling with its plane vertical in a horizontal magnetic field…
6 years ago
A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V
A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V circuit.…
6 years ago
If the self inductance of 500 turn coil is 125 mH, then the self inductance
If the self inductance of 500 turn coil is 125 mH, then the self inductance of similar coil of 800…
6 years ago
The flux linked with a circuit is given by φ=t³+3t-7. The graph between time
The flux linked with a circuit is given by φ=t³+3t-7. The graph between time (x-axis) and induced emf (y-axis) will…
6 years ago
Two coaxial solenoids are made by winding thin insulated wire over a pipe
Two coaxial solenoids are made by winding thin insulated wire over a pipe of cross-sectional area A=10 cm² and length…
6 years ago
Which wavelengths of sun is used finally as electric energy?
Which wavelengths of sun is used finally as electric energy? Options (a) Radio waves (b) Infra red waves (c) Visible…
6 years ago
The turn ratio of a transformer is 1:2. An electrolytic dc cell of emf 2 volt is connected
The turn ratio of a transformer is 1:2. An electrolytic dc cell of emf 2 volt is connected to its…
6 years ago
A transistor-oscillator using a resonant circuit with an inductor L
A transistor-oscillator using a resonant circuit with an inductor L (of negligible resisitance) and a capacitor C in series produce…
6 years ago