If 
millimho, then on increasing plate voltage by 50 V, how much the grid voltage is changed so that plate current remains the same
|
(a) – 2.86 V |
(b) – 4 V |
(c) + 4 V |
(d) + 2 V |
(a) – 2.86 V
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The curve between charge density and distance near P-N junction will be
(a)
|
(b)
|
(c)
|
(d)
|
A 40 mF capacitor in a defibrillator is charged to 3000 V. The energy stored in the capacitor is sent through the patient during a pulse of duration 2ms. The power delivered to the patient is
|
(a) 45 kW |
(b) 90 kW |
(c) 180 kW |
(d) 360 kW |
A particle of mass 0.6 g and having charge of 25 nC is moving horizontally with a uniform velocity 1.2 
in a uniform magnetic field, then the value of the magnetic induction is 
|
(a) Zero |
(b) 10 T |
(c) 20 T |
(d) 200 T |
The angle of minimum deviation for a prism is 40° and the angle of the prism is 60°. The angle of incidence in this position will be
|
(a) 30° |
(b) 60° |
(c) 50° |
(d) 100° |