In a transistor configuration b-parameter is
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(a) |
(b) |
(c) |
(d) |
In a transistor configuration b-parameter is
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(a) |
(b) |
(c) |
(d) |
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A sinusoidal voltage of peak value 200 volt is connected to a diode and resistor R in the circuit shown so that half wave rectification occurs. If the forward resistance of the diode is negligible compared to R the rms voltage (in volt) across R is approximately

|
(a) 200 |
(b) 100 |
(c) |
(d) 280 |
If the wavelength of the first line of the Balmer series of hydrogen is 6561
, the wavelength of the second line of the series should be
|
(a) 13122 |
(b) 3280 |
(c) 4860 |
(d) 2187 |

Two capacitors
and
in series, are connected in parallel to a third capacitor
. This arrangement is then connected to a battery of e.m.f. = 2V, as shown in the figure. How much energy is lost by the battery in charging the capacitors

|
(a) 22 |
(b) 11 |
(c) |
(d) |