PDH Quiz – Basics of Electricity/Electronics

1.	Conductors resist to some degree the flow of ___________.
		Voltage
		Power
		Resistance
		Current
		Load
2.	Which of the following formula represents Ohm’s Law?
		E = I x R
		I = E / R
		R = E / I
		All of the above
		None of the above
3.	In the figure above, the marked blue wire represents
		Negative side of the power supply
		Positive side of the power supply
4.	Breadboards are _________ prototyping boards that allow you to test out circuits quickly.
		soldered
		fuseless
		welded
		solderless
5.	A diode is an electronic device that allows current to flow through it in ________ direction.
		One
		Two
		Three
		Four
6.	The following figure represents:
		small signal diodes
		rectifiers (power) diodes
		switching diodes
		Light Emitting Diodes (LED)
7.	Capacitance is specified in ___________.
		Volts
		Farads
		Ohms
		Amps
8.	A very small current on the __________ ‘s base can control a much larger current flowing through a passage between collector and emitter.
		Transistor
		Capacitor
		Resistor
9.	Capacitors cannot store a charge for a considerable time after the power to them has been switched off.
		True
		False
10.	Low power transistors which do small switching functions are called __________ transistors.
		Bipolar
		Unijunction
		Signal
		NPN

Basics of Electricity/Electronics