For the transistor circuit shown below, if b = 100, voltage drop between emitter and base is 0.7 V then value of VCE will be
|
(a) 10 V |
(b) 5 V |
(c) 13 V |
(d) 0 V |
(c) 13 V
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In Thomson's method of determining e/m of electrons
|
(a) Electric and magnetic fields are parallel to electrons beam |
(b) Electric and magnetic fields are perpendicular to each other and perpendicular to electrons beam |
|
(c) Magnetic field is parallel to the electrons beam |
(d) Electric field is parallel to the electrons beam |
For skywave propagation of a 10 MHz signal, what should be the minimum electron density in ionosphere
|
(a) ~ 1.2 |
(b) ~ |
(c) ~ |
(d) ~ |
In Wheatstone's bridge P = 9 ohm, Q = 11 ohm, R = 4 ohm and S = 6 ohm. How much resistance must be put in parallel to the resistance S to balance the bridge
|
(a) 24 ohm |
(b) |
(c) 26.4 ohm |
(d) 18.7 ohm |
