Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A coil of inductance 0.20 H is connected in series with a switch and a cell of emf 1.6 V. The total resistance of the circuit is 4 ohm. what is the initial rate of growth of the current when the switch is closed?
22
Oct
A coil of inductance 0.20 H is connected in series with a switch and a cell of emf 1.6 V. The total resistance of the circuit is 4 ohm. what is the initial rate of growth of the current when the switch is closed? so that the induced current in B should be 0.0060 A? [...]
For a transistor amplifier in common emitter configuration for load impedance of 1 k ohm (hfe = 50 and hve = 25 mu A / V), the current gain is
22
Oct
For a transistor amplifier in common emitter configuration for load impedance of 1 k ohm (hfe = 50 and hve = 25 mu A / V), the current gain is For a transistor amplifier in common emitter configuration for load impedance of 1 k ohm (hfe = 50 and hve = 25 mu A / [...]
In a transistor circuit shown here the base current is 35 mu A. The value of the resistor Rb is
22
Oct
In a transistor circuit shown here the base current is 35 mu A. The value of the resistor Rb is In a transistor circuit shown here the base current is 35 mu A. The value of the resistor Rb is October 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A waveform when applied to the following circuit will produce which of the following output waveform. Assuming ideal diode configuration and R1 = R2.
22
Oct
A waveform when applied to the following circuit will produce which of the following output waveform. Assuming ideal diode configuration and R1 = R2. A waveform when applied to the following circuit will produce which of the following output waveform. Assuming ideal diode configuration and R1 = R2. October 22, 2020 Category: Uncategorised (JEE Advanced [...]
The coefficient of mutual inductance of two circuits A and B is 3 mH and their respective resistanaces are 10 and 4Ω. How much current should change in 0.02 s in circuit A, so that the induced current in B should be 0.0060 A?
22
Oct
The coefficient of mutual inductance of two circuits A and B is 3 mH and their respective resistanaces are 10 and 4Ω. How much current should change in 0.02 s in circuit A, so that the induced current in B should be 0.0060 A? so that the induced current in B should be 0.0060 A? [...]
In the following circuit of pn junction diodes, D1, D2 and D3 are ideal, then i is
22
Oct
In the following circuit of pn junction diodes, D1, D2 and D3 are ideal, then i is D1 D2 and D3 are ideal In the following circuit of pn junction diodes then i is October 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A solenoid has 2000 turns wound over a length of 0.3 m. Its cross-sectional area is equal to 1.2 × 10^−3 m^2. Around its central cross-section a coil of 300 turns in wound. If an initial current of 2 A flowing in the solenoid is reversed in 0.25 s, the emf induced in the coil is
22
Oct
A solenoid has 2000 turns wound over a length of 0.3 m. Its cross-sectional area is equal to 1.2 × 10^−3 m^2. Around its central cross-section a coil of 300 turns in wound. If an initial current of 2 A flowing in the solenoid is reversed in 0.25 s, the emf induced in the coil [...]
An emf of 15 V is applied in a circuit containing 5 H inductance and 10 ohm resistance . The ratio of the currents at time t = infinity and t = 1 s is
22
Oct
An emf of 15 V is applied in a circuit containing 5 H inductance and 10 ohm resistance . The ratio of the currents at time t = infinity and t = 1 s is An emf of 15 V is applied in a circuit containing 5 H inductance and 10 ohm resistance . The [...]
In the following circuit, the equivalent resistance between A and B is
22
Oct
In the following circuit, the equivalent resistance between A and B is In the following circuit the equivalent resistance between A and B is October 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The time constant of an inductance coil is 2 x 10^-3 s. when a 90 ohm resistance is joined in series, the same constant becomes 0.5 x 10^-3 s. The inductance and resistance of the coil are
22
Oct
The time constant of an inductance coil is 2 x 10^-3 s. when a 90 ohm resistance is joined in series, the same constant becomes 0.5 x 10^-3 s. The inductance and resistance of the coil are the same constant becomes 0.5 x 10^-3 s. The inductance and resistance of the coil are The time [...]