Final Revision Question Preview (ID: 40400)


Unit 0-3. TEACHERS: click here for quick copy question ID numbers.

When measuring resistance with a multi-meter you must:
a) Leave the power on
b) Add the Multimeter in series
c) Turn the power off
d) None of the above

When measuring Curent with a multi-meter you must:
a) Add the Multimeter in Series
b) Add the Multimeter in parallel
c) Turn the power off
d) None of the above

0.9mA is equal to:
a) 0.0009V
b) 9000A
c) 9A
d) 0.0009A

Copper is one of the best:
a) Insulators
b) Metals
c) Conductors
d) Ions

What do the gold and silver bands on a resistor represent?
a) Power
b) The number of zeros
c) A tolerence of 5% and 10 %
d) A tolerence of 10% and 0.5%

A atom that has lost electrons is called a:
a) Positively charged Ion
b) Negativiely charged Ion
c) Electron
d) Neutron

Which of these is not an insulator
a) Rubber
b) Water
c) Plastic
d) Wood

What is the unit of measurement for Voltage
a) Voltage
b) Volts
c) Watts
d) Micro Farads

What is the unit of measurement for Current .
a) Volts
b) Ohms
c) Amps
d) Watts

How many legs does an SPDT switch have?
a) 1
b) 2
c) 3
d) 4

Primarily, what does a resistor do?
a) Restricts Voltage
b) Restricts Current
c) Increases Voltage
d) Restricts Power

In a Combination circuit:
a) Resistance is the same through every component
b) Voltage is the same through every component
c) Current is the same through every component
d) None of the above

Watts is the unit of measurement for:
a) Voltage
b) Capacitance
c) Resistance
d) Power

What does a capacitor do?
a) Keeps resistance the same throughout each component
b) Stores energy to keeps voltage levels stable
c) It is a second battery in a circuit
d) It makes voltage level drop

What is an LDR
a) Light Deflecting Resistor
b) Long Direct Resistor
c) Light Dependant Resistor
d) Light Diode Resistor

What is a relay?
a) A capacitor
b) A Resistor
c) An electromagnetic switch
d) A Magnetic LED

What is the unit of measurement for capacitance?
a) Micro Farads
b) Volts
c) Watts
d) Amps

A 73.5M Ohm Resistor is the same as:
a) 0.000000735 Ohms
b) 7350 Ohms
c) 73,500,000 Ohms
d) 7, 350,000 Ohms

In Ohms Law:
a) Voltage = Current mutiplied by Resistance
b) Current = Voltage multiplied by Resistance
c) Resistance = Voltage mutliplied by Current
d) Voltage = Current divided by Resistance

An Rotary switch has:
a) 2 inputs and 2 outputs
b) 2 inputs and 1 output
c) an array of inputs and outputs
d) 3 inputs and 3 outputs

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