Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A parallel plate capactior with plate area 100 cm^2 , seperated by a distance of 1mm . A dielectric of dielectric constant 5.0 and dielectric strength 1.9 x 10 ^7 V/m i filled between the plates. Find the maximum charge that can be stored on the capacitor without causing any dielectric breakdown.
07
Nov
A parallel plate capactior with plate area 100 cm^2 , seperated by a distance of 1mm . A dielectric of dielectric constant 5.0 and dielectric strength 1.9 x 10 ^7 V/m i filled between the plates. Find the maximum charge that can be stored on the capacitor without causing any dielectric breakdown. A capacitor is [...]
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A capacitor is charged to a potential difference of 100 V and is then connected across a resistor. The potential difference across the capacitor decays exponentially with respect to time. After 1 sec ,
A parallel plate capactior with plate area 100 cm^2 ,
the P.D. between the plates of the capacitor is 80 V. What is the fraction of the stored energy which has been dissipated ? ,
The linear mass density of the string shown in the figure is mu = 1 g/m. One end (A) of the string is tied to a prong of a tuning fork and the other end carries a block of mass M.
07
Nov
The linear mass density of the string shown in the figure is mu = 1 g/m. One end (A) of the string is tied to a prong of a tuning fork and the other end carries a block of mass M. The linear mass density of the string shown in the figure is mu = [...]
A column of air at 51 C and a tuning fork produce 4 beats when sounded together. As the temperature of air column is decreased the number of beats per second tends to
07
Nov
A column of air at 51 C and a tuning fork produce 4 beats when sounded together. As the temperature of air column is decreased the number of beats per second tends to A column of air at 51 C and a tuning fork produce 4 beats when sounded together. As the temperature of air [...]
Six antinodes are observed in the air column when a standing wave forms in a Kundt’s tube. What is the length of the air column if steel bar of 1 m length is clamped at the middle.
07
Nov
Six antinodes are observed in the air column when a standing wave forms in a Kundt’s tube. What is the length of the air column if steel bar of 1 m length is clamped at the middle. Six antinodes are observed in the air column when a standing wave forms in a Kundt's tube. What [...]
Two tuning forks A and B give 18 beats in 2 s. A resonates with one end closed air column of 15 cm long and B with both ends open column of 30.5 long. Calculate their frequencies.
07
Nov
Two tuning forks A and B give 18 beats in 2 s. A resonates with one end closed air column of 15 cm long and B with both ends open column of 30.5 long. Calculate their frequencies. Two tuning forks A and B give 18 beats in 2 s. A resonates with one end closed [...]
A certain fork is found to give 2 beats/s when sounded in conjunction with a stretched string vibrating transversely under a tension of either 10.2 or 9.9 kg weight. Calculate the
07
Nov
A certain fork is found to give 2 beats/s when sounded in conjunction with a stretched string vibrating transversely under a tension of either 10.2 or 9.9 kg weight. Calculate the A certain fork is found to give 2 beats/s when sounded in conjunction with a stretched string vibrating transversely under a tension of either [...]
Two tuning forks A and B are sounded together and 8 beats/s are heard. A is in resonance with a column of air 32 cm long in a pipe closed at one end and B is similarly in resonance
07
Nov
Two tuning forks A and B are sounded together and 8 beats/s are heard. A is in resonance with a column of air 32 cm long in a pipe closed at one end and B is similarly in resonance Two tuning forks A and B are sounded together and 8 beats/s are heard. A is [...]
A capacitor is charged to a potential difference of 100 V and is then connected across a resistor. The potential difference across the capacitor decays exponentially with respect to time. After 1 sec, the P.D. between the plates of the capacitor is 80 V. What is the fraction of the stored energy which has been dissipated ?
07
Nov
A capacitor is charged to a potential difference of 100 V and is then connected across a resistor. The potential difference across the capacitor decays exponentially with respect to time. After 1 sec, the P.D. between the plates of the capacitor is 80 V. What is the fraction of the stored energy which has been [...]
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A capacitor is charged to a potential difference of 100 V and is then connected across a resistor. The potential difference across the capacitor decays exponentially with respect to time. After 1 sec ,
the P.D. between the plates of the capacitor is 80 V. What is the fraction of the stored energy which has been dissipated ? ,
A parallel plate capacitor of capacitance C0 is charged using a battery of emf V0 . Calculate the work done by external agent in reducing the separation between the plates to half its original value if
07
Nov
A parallel plate capacitor of capacitance C0 is charged using a battery of emf V0 . Calculate the work done by external agent in reducing the separation between the plates to half its original value if In which case is more work done? The plates of a plane capacitor are drawn apart keeping them connected [...]
Three capcaitors of capacities 1μF,2μF and 3μF are charged by 10V,20V and 30V respectively. Now positive plates of first two capacitors are connected with the negative plate of third capacitor on one side and negative plates of first wo capacitors are connectes with positive of third capacitor on the other side. Find a. common potential V b. final charges on different capacitors.
07
Nov
Three capcaitors of capacities 1μF,2μF and 3μF are charged by 10V,20V and 30V respectively. Now positive plates of first two capacitors are connected with the negative plate of third capacitor on one side and negative plates of first wo capacitors are connectes with positive of third capacitor on the other side. Find a. common potential [...]
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2μF and 3μF are charged by 10V ,
In which case is more work done? ,
The plates of a plane capacitor are drawn apart keeping them connected to a bettery. Next ,
the same plates are drawn apart from the same initial condition keeping the battery disconnected ,
Three capcaitors of capacities 1μF ,