- AZero bias
- BReverse bias
- CForward bias
- DInfinite bias
Explanation:
We know that zener diode works on the reverse bias. When the reverse bias is equal to the break-down voltage, the voltage across the zener remains almost constant and the current increases rapidly.
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Which of the following statement(s) is/(are) correct
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(a) The rest mass of a stable nucleus is less than the sum of the rest masses of its separated nucleons |
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(b) In nuclear fission, energy is released by fragmentation of a very heavy nucleus |
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(c) The rest mass of a stable nucleus is greater than the sum of the rest masses of its separated nucleons. |
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(d) a, b |
In a potentiometer experiment the balancing with a cell is at length 240 cm. On shunting the cell with a resistance of 2 W, the balancing length becomes 120 cm. The internal resistance of the cell is
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(a) 4 W |
(b) 2 W |
(c) 1 W |
(d) 0.5 W |
The condition for a uniform spherical mass m of radius r to be a black hole is [G = gravitational constant and g = acceleration due to gravity]
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(a) |
(b) |
(c) |
(d) |
Three long, straight and parallel wires carrying currents are arranged as shown in figure. The force experienced by 10 cm length of wire Q is
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(a) 1.4 |
(b) 1.4 |
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(c) 2.6 |
(d) 2.6 |