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Power electronics and drives miscellaneous

Power Electronics and Drives

  1. A UJT relaxation oscillator circuit is drawn as shown below :
    If the value of timing resistor RT = 470 RΩ and CT = 0.01 F and intrinsic stand off ratio is 0.7, then period and frequency of oscillation is

    1. 4.7 ms, 213 Hz
    2. 5.64 ms, 177 Hz
    3. 3.29 ms, 304 Hz
    4. 6.71 ms, 149 Hz
Correct Option: B

NA



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