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A coil has an inductance of 0.7 H and is joined in series with a resistance of 220 Ω . When an alternating e.m.f. of 220V at 50 c.p.s. is applied to it, then the wattless component of the current in the circuit is
27
Oct
A coil has an inductance of 0.7 H and is joined in series with a resistance of 220 Ω . When an alternating e.m.f. of 220V at 50 c.p.s. is applied to it, then the wattless component of the current in the circuit is A coil has an inductance of 0.7 H and is joined [...]
The peak value of an alternating e.m.f E given by E = E 0 cosω t is 10 V and frequency is 50 Hz. At time t = ( 1/600 ) s, the instantaneous value of e.m.f is
27
Oct
The peak value of an alternating e.m.f E given by E = E 0 cosω t is 10 V and frequency is 50 Hz. At time t = ( 1/600 ) s, the instantaneous value of e.m.f is the instantaneous value of e.m.f is The peak value of an alternating e.m.f E given by E [...]
A point source is kept at a distance of 1000 m has an illumination I. To change the illumination to 16I the new distance should become.
27
Oct
A point source is kept at a distance of 1000 m has an illumination I. To change the illumination to 16I the new distance should become. A point source is kept at a distance of 1000 m has an illumination I. To change the illumination to 16I the new distance should become. October 27, 2020 [...]
An inductive coil has resistance of 100 ohm . when an ac signal of frequency 1000 Hz is fed to the coil, the applied voltage leads the current by 45 degree . what is the inductance of the coil ?
27
Oct
An inductive coil has resistance of 100 ohm . when an ac signal of frequency 1000 Hz is fed to the coil, the applied voltage leads the current by 45 degree . what is the inductance of the coil ? An inductive coil has resistance of 100 ohm . when an ac signal of frequency [...]
An LCR circuit contains resistance of 100 Ω and a supply of 200 V at 300 rad/s angular frequency. If only capacitance is taken out from the circuit and the rest of the circuit is joined, current lags behind the voltage by 60 ∘ . If on the other hand, only inductor is taken out, the current leads by 60 ∘ with the applied voltage. The current flowing in the circuit is
27
Oct
An LCR circuit contains resistance of 100 Ω and a supply of 200 V at 300 rad/s angular frequency. If only capacitance is taken out from the circuit and the rest of the circuit is joined, current lags behind the voltage by 60 ∘ . If on the other hand, only inductor is taken out, [...]
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An LCR circuit contains resistance of 100 Ω and a supply of 200 V at 300 rad/s angular frequency. If only capacitance is taken out from the circuit and the rest of the circuit is joined ,
current lags behind the voltage by 60 ∘ . If on the other hand ,
only inductor is taken out ,
the current leads by 60 ∘ with the applied voltage. The current flowing in the circuit is ,
A thermally insulated vessel with gaseous nitrogen at a temperature of 27 C moves with velocity 100 m/s^-1. How much (in percentage) and in what way will the gas pressure
27
Oct
A thermally insulated vessel with gaseous nitrogen at a temperature of 27 C moves with velocity 100 m/s^-1. How much (in percentage) and in what way will the gas pressure A thermally insulated vessel with gaseous nitrogen at a temperature of 27 C moves with velocity 100 m/s^-1. How much (in percentage) and in what [...]
The highest vacuum attained so far is of the order of 10^-11 mm of mercury. How many molecules are there in 1 cc of a vessel under such a high vacuum at 0 C ?
27
Oct
The highest vacuum attained so far is of the order of 10^-11 mm of mercury. How many molecules are there in 1 cc of a vessel under such a high vacuum at 0 C ? The highest vacuum attained so far is of the order of 10^-11 mm of mercury. How many molecules are there [...]
Two conducting cylinders of equal length but different radii are connected in series between two heat baths kept at temperatures T1 = 300 K and T2 = 100 K, as shown in the figure.
27
Oct
Two conducting cylinders of equal length but different radii are connected in series between two heat baths kept at temperatures T1 = 300 K and T2 = 100 K, as shown in the figure. As shown in the figure Two conducting cylinders of equal length but different radii are connected in series between two heat [...]
A wire mesh consisting of very small squares is viewed at a distance of 8 cm through a magnifying converging lens of focal length 10 cm, kept close to the eye. The magnification produced by the lens is.
27
Oct
A wire mesh consisting of very small squares is viewed at a distance of 8 cm through a magnifying converging lens of focal length 10 cm, kept close to the eye. The magnification produced by the lens is. A wire mesh consisting of very small squares is viewed at a distance of 8 cm through [...]
In the series LCR circuit ( figure ) , the voltmeter and ammeter readings are :
27
Oct
In the series LCR circuit ( figure ) , the voltmeter and ammeter readings are : In the series LCR circuit ( figure ) the voltmeter and ammeter readings are : October 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,