Question Answers
Sahay Sir > Question Answers
A galvanometer has a resistance of 30 ohm and a current of 2 mA is needed to give a full scale deflection. What is the resistance needed and how is it to be connected to convert this galvanometer (a) Into an ammeter of 0.3 A range ? (b) Into a volmeter of 0.2 V range ?
03
Sep
A galvanometer has a resistance of 30 ohm and a current of 2 mA is needed to give a full scale deflection. What is the resistance needed and how is it to be connected to convert this galvanometer (a) Into an ammeter of 0.3 A range ? (b) Into a volmeter of 0.2 V range [...]
A particle executes SHM with amplitude A and angular frequency omega. At an instant the particle is at a distance A/5 from the mean position and is moving away from it. Find the time after which it will come back to this position again
03
Sep
A particle executes SHM with amplitude A and angular frequency omega. At an instant the particle is at a distance A/5 from the mean position and is moving away from it. Find the time after which it will come back to this position again A particle is executing SHM with time period T and amplitude [...]
A galvanometer has a resistance of G ohm and range of V volt. Calculate the resistance to be used in series with it to extend its range its range to nV volt.
03
Sep
A galvanometer has a resistance of G ohm and range of V volt. Calculate the resistance to be used in series with it to extend its range its range to nV volt. A galvanometer has a resistance of G ohm and range of V volt. Calculate the resistance to be used in series with it [...]
A galvanometer has a resistance of 50 ohm and its full scale deflection current is 50 muA. what resistance should be added to it can have a range of 0 – 5 V?
03
Sep
A galvanometer has a resistance of 50 ohm and its full scale deflection current is 50 muA. what resistance should be added to it can have a range of 0 – 5 V? A galvanometer has a resistance of 50 ohm and its full scale deflection current is 50 muA. what resistance should be added [...]
A particle is executing SHM with time period T and amplitude A. The particle starts SHM from amplitude position. Find distance travelled by the particle in time T/12.
03
Sep
A particle is executing SHM with time period T and amplitude A. The particle starts SHM from amplitude position. Find distance travelled by the particle in time T/12. A particle is executing SHM with time period T and amplitude A. The particle starts SHM from amplitude position. Find distance travelled by the particle in time [...]
Consider a circular as shows in Fig. (a). We want to measure the current i flowing in the circuit. For this we connect an ammeter of resistance RA as shows in Fig. (b). Find the percentage error in the current.
03
Sep
Consider a circular as shows in Fig. (a). We want to measure the current i flowing in the circuit. For this we connect an ammeter of resistance RA as shows in Fig. (b). Find the percentage error in the current. The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions when [...]
A block is connected with a spring executing SHM with time period T in vertical plane. The amplitude of oscillation is A. Find the time taken by the particle to move from position
03
Sep
A block is connected with a spring executing SHM with time period T in vertical plane. The amplitude of oscillation is A. Find the time taken by the particle to move from position A block is connected with a spring executing SHM with time period T in vertical plane. The amplitude of oscillation is A. [...]
The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions when a shunt of 12Ω is applied. What is the resistance of the galvanometer? Assume the main current to remain same.
03
Sep
The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions when a shunt of 12Ω is applied. What is the resistance of the galvanometer? Assume the main current to remain same. The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions when a shunt of 12Ω is [...]
Figure shows the displacement time graph of a particle executing SHM with a time period T. Four points 1, 2, 3 and 4 are marked on the graph where the displacement is half that of the amplitude
03
Sep
Figure shows the displacement time graph of a particle executing SHM with a time period T. Four points 1, 2, 3 and 4 are marked on the graph where the displacement is half that of the amplitude 2 3 and 4 are marked on the graph where the displacement is half that of the amplitude [...]
What is the value of the shunt passes 10 percent of the main current through a galvanometer of 99 ohm?
03
Sep
What is the value of the shunt passes 10 percent of the main current through a galvanometer of 99 ohm? What is the value of the shunt passes 10 percent of the main current through a galvanometer of 99 ohm? September 3, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,