At neutral temperature, the thermoelectric power 
has the value
|
(a) Zero |
(b) Maximum but negative |
|
(c) Maximum but positive |
(d) Minimum but positive |
(a) Zero
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What is used as a moderator in a nuclear reactor
| (a) Water | (b) Graphite |
(c) Cadmium |
(d) Steel |
A battery of e.m.f. 3 volt and internal resistance 1.0 ohm is connected in series with copper voltameter. The current flowing in the circuit is 1.5 amperes. The resistance of voltameter will be
|
(a) Zero |
(b) 1.0 ohm |
(c) 1.5 ohm |
(d) 2.0 ohm |
Which of the following figures correctly shows the phase relation between the input signal and the output signal of triode amplifier
|
(a)
|
(b)
|
|
(c)
|
(d)
|
A coil having an inductance of 0.5 H carries a current which is uniformly varying from zero to 10 ampere in 2 second. The e.m.f. (in volts) generated in the coil is
|
(a) 10 |
(b) 5 |
(c) 2.5 |
(d) 1.25 |
