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 the figure, three capacitors each of capacitance 6 pF are connected in series. The total capacitance of the combination will be
|
(a) 9 |
(b) 6 |
(c) 3 |
(d) 2 |
A vibration magnetometer consists of two identical bar magnets placed one over the other such that they are perpendicular and bisect each other. The time period of oscillation in a horizontal magnetic field is 
seconds. One of the magnets is removed and if the other magnet oscillates in the same field, then the time period in seconds is
(a) 
|
(b)
|
(c) 2 |
(d) 
|
When a piece of aluminium wire of finite length is drawn through a series of dies to reduce its diameter to half its original value, its resistance will become
|
(a) Two times |
(b) Four times |
(c) Eight times |
(d) Sixteen times |
If A and B are two inputs in AND gate, then AND gate has an output of 1 when the values of A and B are
|
(a) A = 0, B = 0 |
(b) A = 1, B = 1 |
(c) A = 1, B = 0 |
(d) A = 0, B = 1 |
The stopping potential (
versus frequency (n) plot of a substance is shown in figure the threshold wave length is
|
(a) 5 |
(b) 6000Å |
|
(c) 5000 Å |
(d) Can not be estimated from given data |
