Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
In the given circuit , the ac source has omega = 100 rad/s. considering the inductor and capacitance to be ideal, the correct choices is/are
28
Oct
In the given circuit , the ac source has omega = 100 rad/s. considering the inductor and capacitance to be ideal, the correct choices is/are In the given circuit the ac source has omega = 100 rad/s. considering the inductor and capacitance to be ideal the correct choices is/are October 28, 2020 Category: Uncategorised (JEE [...]
A series RC circuit is connected to AC voltage source. Consider two cases; (A) when C is without a dielectric medium and (B) when C is filled with dielectric of constant 4. The current I_R through the resistor and voltage V_c across the capacitor are compared in the two cases. Which of the following is/are true? .
28
Oct
A series RC circuit is connected to AC voltage source. Consider two cases; (A) when C is without a dielectric medium and (B) when C is filled with dielectric of constant 4. The current I_R through the resistor and voltage V_c across the capacitor are compared in the two cases. Which of the following is/are [...]
In an a.c. circuit, the instantaneous e.m.f. and current are given by e = 100 sin 30 t i = 20 sin (30 t− π/4 ) In one cycle of a.c., the average power consumed by the circuit and the wattless current are, respectively :
28
Oct
In an a.c. circuit, the instantaneous e.m.f. and current are given by e = 100 sin 30 t i = 20 sin (30 t− π/4 ) In one cycle of a.c., the average power consumed by the circuit and the wattless current are, respectively : In an a.c. circuit respectively the average power consumed by [...]
An ac voltage source of variable angular frequency omega and fixed amplitude V 0 is connected inseries with a capacitance C and an electric bulb of resistance R ( inductance zero ). When omega is increased
28
Oct
An ac voltage source of variable angular frequency omega and fixed amplitude V 0 is connected inseries with a capacitance C and an electric bulb of resistance R ( inductance zero ). When omega is increased In the given LCR series circuit find the reading ( in A ) of the hot wire ammeter. ( [...]
For RLC circuit driven with voltage of amplitude V m and frequency omega 0 = 1/ rtoot LC . The quality factor, Q is given by
28
Oct
For RLC circuit driven with voltage of amplitude V m and frequency omega 0 = 1/ rtoot LC . The quality factor, Q is given by For RLC circuit driven with voltage of amplitude V m and frequency omega 0 = 1/ rtoot LC . The quality factor Q is given by October 28, 2020 [...]
An arc lamp requires a direct current of 10 A at 80 V to function. If it is connected to a 220 V ( rms ), 50 Hz AC supply, the series inductor needed for it to work is close to
28
Oct
An arc lamp requires a direct current of 10 A at 80 V to function. If it is connected to a 220 V ( rms ), 50 Hz AC supply, the series inductor needed for it to work is close to 50 Hz AC supply An arc lamp requires a direct current of 10 A [...]
In a series LCR circuit R=200(Ω) and the voltage and the frequency of the main supply is 220V and 50 Hz respectively. On taking out the capacitance from the circuit the current lags behind the voltage by 30(∘). On taking out the inductor from the circuit the current leads the voltage by 30(∘). The power dissipated in the LCR circuit is
28
Oct
In a series LCR circuit R=200(Ω) and the voltage and the frequency of the main supply is 220V and 50 Hz respectively. On taking out the capacitance from the circuit the current lags behind the voltage by 30(∘). On taking out the inductor from the circuit the current leads the voltage by 30(∘). The power [...]
A coil of inductance L = 5/8 H of resistance R = 62.8 ohm is connected to the mains alternating voltage of frequency 50 Hz. what can be the capacitance of the capacitor ( in muF ) connected in series with the coil if the power dissipated has to remain unchanged ? take pie^2 = 10 .
28
Oct
A coil of inductance L = 5/8 H of resistance R = 62.8 ohm is connected to the mains alternating voltage of frequency 50 Hz. what can be the capacitance of the capacitor ( in muF ) connected in series with the coil if the power dissipated has to remain unchanged ? take pie^2 = [...]
An ac ammeter is used to measure currnet in a circuit. When a given direct current passes through the circuit. The ac ammeter reads 3 A. When another alternating current passes through the circuit, the ac ammeter reads 4A. Then find the reading of this ammeter (inA), if dc and ac flow through the circuit simultaneously.
28
Oct
An ac ammeter is used to measure currnet in a circuit. When a given direct current passes through the circuit. The ac ammeter reads 3 A. When another alternating current passes through the circuit, the ac ammeter reads 4A. Then find the reading of this ammeter (inA), if dc and ac flow through the circuit [...]
Tags:
An ac ammeter is used to measure currnet in a circuit. When a given direct current passes through the circuit. The ac ammeter reads 3 A. When another alternating current passes through the circuit ,
if dc and ac flow through the circuit simultaneously. ,
the ac ammeter reads 4A. Then find the reading of this ammeter (inA) ,
In the given LCR series circuit find the reading ( in A ) of the hot wire ammeter. ( here all hot wire meters are ideal )
28
Oct
In the given LCR series circuit find the reading ( in A ) of the hot wire ammeter. ( here all hot wire meters are ideal ) In the given LCR series circuit find the reading ( in A ) of the hot wire ammeter. ( here all hot wire meters are ideal ) October [...]