NTC - Amateur Class C Examination. Below are elements 3

1. Unit of capacitance
ans  Farad				

2. Unit of electric current
ans  Ampere			

3. Unit of inductance
ans  Henry	
				
4. Unit of inductive reactance
ans  Ohms					

5. Unit of conductance
ans  Siemens	
		
6. Unit of impedance
ans  Ohms							

7. Unit of electric charge
ans  Coulomb			

8. Unit of electric energy
ans  Watt-hour		

9. The unit of a cycle of a radio wave
ans  Hertz
	
10. Siemens is a unit of
ans  Admittance	

11.  HF is operating within the band
ans   3-30 MHz

12.  Frequencies comprising Very High Frequency
ans  30-300 MHz		

13. Frequencies comprising the Extra High Frequency
ans  30-300 GHz	

14. Frequencies comprising Ultra High Frequency
ans  300-3000 MHz			

15. Frequency band comprising SHF
ans  3-30 GHz		

16. Frequencies comprising Medium Frequency
ans  	

17. Audio waves are operating in the frequency band
ans  	

18. The frequency band used for shortwave radio broadcast is on
ans   HF               

19. The frequency band (30-300) GHz is within the ________ band.
ans  EHF		

20. The frequency band (30-300) MHz is also known as
ans   VHF	

21. Which band is usable for line-of-sight propagation?
ans  UHF		

22. Resistance (instrument)
ans  Ohmmeter		

23. Power (instrument)
ans  Wattmeter			

24. Voltage (instrument)
ans Voltmeter	

25. 1 microhenry is equal to
ans  0.000001 H		

26. How many microfarads are there in 1 farad?
ans  1 million	
	
27. The decimal equivalent of picofarad 
ans  0.000000000001 F				

28. The prefix MEGA means, ten raised to the power
ans  6				

29. Prefix PICO means
ans  10(raised to the negative) 		

30. Prefix TERA when used to express units of measurement is the reciprocal of the prefix
ans  PICO
			
31. Farad
ans  Capacitance
		
32. The symbol used to represent the effect of a reactance in an electric circuit
ans  X		

33. To increase the measuring range of an ammeter, connect a resistor __________ with 
the meter.
ans  In parallel			

34. Ohm s Law stated in formula
ans  I = E/R			

35. Formula of power when I and R are given
ans   P=I(squared)R			

36. A voltage of 220V across a resistor causes a current of 5-ampere flow.  What is the power expended in the resistor?
ans  1100 w			

37. What is the power dissipated when a lamp draws 2 amperes while connected to a 
220V source?
ans  440 w
	
38. If we increase by two times the resistance of a circuit whose voltage is kept constant, what will happen to the current?
ans The current will be halved		

39. For maximum current, dry cells should be connected
ans  In parallel		

40. Cells should be connected in series
ans  To produce higher voltage			

41. To produce higher output voltage, dry cells should be connected 
ans Series	

42. To be able to get 4.5 volts dc, use ordinary flashlight battery and convert them as follows
ans  3 batteries (1.5V) in series		

43. Two ordinary dry cell batteries are connected in series. The total voltage resulting 
from the combination is 
ans  3 V				

44. Storage batteries are rated in
ans  Ampere-hour