The force on a charge moving with velocity v in a magnetic field B is…
The force on a charge moving with velocity v in a magnetic field B is half of the…
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The maximum kinetic energy of the photoelectron emitted from a metal surface is 0.34eV. If…
The maximum kinetic energy of the photoelectron emitted from a metal surface is 0.34eV. If the work function…
When an alternating current given by I = 10sin (120π)t passes through a 12Ω resistor,…
When an alternating current given by I = 10sin (120π)t passes through a 12Ω resistor, the power dissipated…
When an alternating current given by I = 10sin (120π)t passes through a 12Ω resistor,…
When an alternating current given by I = 10sin (120π)t passes through a 12Ω resistor, the power dissipated…
When an alternating current given by I = 10sin (120π)t passes through a 12Ω resistor,…
When an alternating current given by I = 10sin (120π)t passes through a 12Ω resistor, the power dissipated…
The count rate of a radioactive material is 800 count/min. If the half-life of the…
The count rate of a radioactive material is 800 count/min. If the half-life of the material is 4…
A circuit has an area of 0.4m2 and consists of 50 loops of wire. If…
A circuit has an area of 0.4m2 and consists of 50 loops of wire. If the loops are…
The most suitable cell used for short interval switches in electric bells is a
The most suitable cell used for short interval switches in electric bells is a A. lead- acid accumulator…
A ray incident on a glass prism undergoes minimum deviation when the
A ray incident on a glass prism undergoes minimum deviation when the A. incident angle is equal to…
I It retains its magnetic much longer than steel. II It is more easily magnetized…
I It retains its magnetic much longer than steel. II It is more easily magnetized than steel III…