A crystal diode is a
|
(a) Non-linear device |
(b) Amplifying device |
(c) Linear device |
(d) Fluctuating device |
A crystal diode is a
|
(a) Non-linear device |
(b) Amplifying device |
(c) Linear device |
(d) Fluctuating device |
(a) Non-linear device
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
A magnet of magnetic moment M and pole strength m is divided in two equal parts, then magnetic moment of each part will be
|
(a) M |
(b) M/2 |
(c) M/4 |
(d) 2M |
Two electric bulbs, one of 200 volt 40 watt and the other 200 volt 100 watt are connected in a house wiring circuit
|
(a) They have equal currents through them |
|
(b) The resistance of the filaments in both the bulbs is same |
|
(c) The resistance of the filament in 40 watt bulb is more than the resistance in 100 watt bulb |
|
(d) The resistance of the filament in 100 watt bulb is more than the resistance in 40 watt bulb |
A frictionless dielectric plate S is kept on a frictionless table T. A charged parallel plate capacitance C (of which the plates are frictionless) is kept near it. The plate S is between the plates. When the plate S is left between the plates
|
(a) It will remain stationary on the table |
|
(b) It is pulled by the capacitor and will pass on the other end |
|
(c) It is pulled between the plates and will remain there |
|
(d) All the above statements are false |
Three bulbs of 40W, 60W and 100W are arranged in series with 220V. Which bulb has minimum resistance
|
(a) 40W |
(b) 60W |
(c) 100W |
(d) Equal in all bulbs |
When cathode rays strike a metal target of high melting point with very high velocity, then
| (a) X-rays are produced | (b) Ealpha-rays are produced |
| (c) TV waves are produced |
(d) Ultrasonic waves are produced |