A keeper is used to
A). change the direction of magnetic lines
B). amplify flux
C). restore lost flux
D). provide a closed path for flux
provide a closed path for flux
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1. If a transistor is operated in such a way that output current flows for 60° of the input signal, then it is ___________ operation
2. The Gunn diode oscillator
3. Shelf life of a small dry cell is
4. Four equal-value resistors are connected in parallel. Ten volts are applied across the parallel circuit and 2 mA are measured from the source. The value of each resistor is
5. The base resistor method is generally used in
6. In an RC differentiator, responding to repetitive pulses, the average value of the output.
7. Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation.
8. Long distance railways use which of the following?
9. A synchronous motor running with normal excitation adjusts to load increases essentially by increase in
10. The attenuation in waveguide above to cut off frequency
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