WorksheetsElectricity Quiz review #3
Total questions: 13
Worksheet time: 8mins
What is constant in a series circuit
Voltage
Current
Resistance
Watts
What is constant in a parallel circuit
Current
Power
Amerage
Voltage
Kirchoifs law states that Voltage TOTAL in a series circuit is found by
subtracting the largest voltage drop from the smallest voltage drop
subtracting the smallest voltage drop from the largest voltage drop
adding up the voltage drop over each component
taking the resistance and multiplying it by the current over that component
39.0 mA is equivalent to
0.00039 A
0.0039 A
0.039 A
0.39 A
In a parallel circuit with three 6-ohms resistors across a 12-volt battery, what is the total current (It) value in the circuit?
2 A
6 A
12 A
24 A
When referring to an electrical circuit diagram, what point is considered to be at zero voltage?
the switch
the circuit breaker
the resistor
the ground
Which is correct concerning a parallel circuit?
Total resistance will be smaller than the smallest resistor.
Total resistance will decrease when one of the resistances is removed.
Total voltage drop is the same as the total resistance.
none of the above
What happens to the current in a voltage step-up transformer with a ratio of 1 to 4?
The current is stepped down by a 1 to 4 ratio.
The current is stepped up by a 1 to 4 ratio.
The current does not change.
The voltage does not change
a switch that will get power from one source but will send that power to two circuits is known as a ____
DPDT
SPST
SPDT
DTSP
A series circuit with 10 5ohm resistors will have a circuit resistance total of
500 ohms
555 ohms
50 ohms
55 ohms
Polarity will tell you if the circuit has
both sides are negative
both sides are positive
one side is positive
one side is negative
Answer 3 and 4
A diode has polarity
true
false
the resistance total in a parallel circuit is found by
adding up the voltages drop then dividing it by the current
subtracting the voltages drop then dividing it by the current
adding up all the individual resistances
adding up all the resistances using the reciprocal of each
