How would you read the value of capacitance and voltage rating in an electronic circuit or device if there is no capacitance measuring device available and no color coding is possible
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How would you read the value of capacitance and voltage rating in an electronic circuit or device if there is no capacitance measuring device available and no color coding is possible?
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- Compute for the amount of voltage across capacitor #5? Select one: a.7.2 volts b.4.8 volts c.5.65 volts d.6.36 voltsQUESTION 3 E-05, PC-05. While testing of capacitor with the Multimeter it will show value of? will indicate charge voltage. some resistane. Cwill indicate amount of current it has. QUESTION 4 E-05, PC-02. What are the factors affecting the capacitance of capacitor. Area of plates only. O Area of plates and Dielectric media. O Area of plate, dielectric and distance between plates.Define dielectric strength and explain how is it calculated?
- Partial discharge is an electrical discharge or spark that bridge a small portion of the insulation between two conducting electrode. Distinguish internal and surface discharge with the help of diagrams.8. Liquids with solid impurities a) Have higher dielectrie strength b) Of large size have higher dielectric strength c) Have lower dielectric strength as compared to pure liquids d) None of the above 9. Peak to peak ripple is defined as a) the difference between average de voltage and peak value b) the difference between maximum and minimum de voltage c) the difference between maximum ac and average dc voltages d) the difference between ac (rms) and average de voltages 10. In a Cockroft-Walton circuit, input voltage 100 kV load current 25 mA, supply frequency 100 Hz, each capacitor 10 nF. The optimum no. of stages for maximum output voltage is a) 1 b) 2 c) 10 d) 35Question A suspension type insulator has three units with self-capacitance C and ground capacitance 0.1C. What will be the string efficiency?
- how do capacitors work in a circuit?1- A). Which of the following could be used as a discharge device in an inductive AC circuit? a) resistor b) diode c) metal oxide varistor d) "a" and "c", not "b" B. What is the purpose of a discharge device used in conjunction with opening a highly inductive circuit? a) to minimize the possibility of damage to the circuits insulation as a result of a high induced voltage b) to minimize the possibility of endangering the life of the person opening the controlling switch c) to allow the magnetic field to gradually collapse, thus limiting the value of the self-induced ernf d) all of the above C. The high voltage induced by an inductor when its circuit is opened could be used constructively for a) an automotive ignition system b) an electric fence c) both "a" and "b" d) neither "a" nor "b"this is the ability of a material to conduct electricity a. impedane b. conductance c. reactance d. capacitance