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Electronic Mechanic Practice Test: Active and Passive Components
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Electronic Mechanic Practice Test: Active and Passive Components
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25 Questions

1. Find the total inductance value of two inductors 10H and 15H of connected in series.
2. What is the type of transformer?
3. Which property of the capacitor stores electrical energy in electrostatic field?
4. Which value is equal to one picofarad?
5. What is the reason for the use of contactors in control circuits?
6. What is the power dissipated if 10mA current flows through a 10Kilo ohm resistor?
7. Determine the current flows through 2 Kilo ohm resistor (R2).
8. What is the value of carbon composition resistor?
9. What is the name of Multi-turn potentiometers?
10. What is the phase relationship between the applied voltage and current in the primary of a transformer with open secondary winding?
11. Which part of the relay causes most trouble?
12. How much is the impedance of the circuit?
13. What is the name of the coil?
14. Which factor determines the inductance value?
15. What is the name of the triangle used in resistor, inductor in AC circuit?
16. What is the name of the type of resistor?
17. What is the voltage (V2) drop across the resistor R2?
18. Which meter is used to find the exact resistance value of resistors?
19. What is the result of hysteresis loss in magnetic material?
20. What is the cause of burnt relay contacts?
21. At which condition the cold resistance of the low voltage lamp is measured using ohmmeter?
22. What is the unit of inductance?
23. Find the total resistance value of 10 Ohms and 20 Ohms connected in parallel.
24. What is the effect on the transformer operated below the rated voltage?
25. Which unit is used to measure capacitance value?

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