In a transistor configuration b-parameter is
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(a) |
(b) |
(c) |
(d) |
In a transistor configuration b-parameter is
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(a) |
(b) |
(c) |
(d) |
(b) ![]()
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The heat developed in an electric wire of resistance R by a current I for a time t is
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(a) |
(b) |
(c) |
(d) |
A prism having an apex angle 4o and refraction index 1.5 is located in front of a vertical plane mirror as shown in figure. Through what total angle is the ray deviated after reflection from the mirror

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(a) 176o |
(b) 4o |
(c) 178o |
(d) 2o |
In the following circuit, the resultant capacitance between A and B is 1mF. Then value of C is

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(a) |
(b) |
(c) |
(d) |

Large transformers, when used for some time, become hot and are cooled by circulating oil. The heating of transformer is due to
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(a) Heating effect of current alone |
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(b) Hysteresis loss alone |
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(c) Both the hysteresis loss and heating effect of current |
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(d) None of the above |