Electrical Circuits
Voltage
Current
Charge
Inductance
Volt
Coulomb
Ampere
Siemens
1 mA
15 mA
500 mA
1 A
I=VR
R=V/I
V=IR
I=V/R
One million times larger than a microampere
One thousand times larger than an ampere
One millionth of an ampere
One thousandth of an ampere
The source voltage is decreased
The resistance is increased
The resistance is decreased
Either C or D above
20
50
250
500
5 V
20 V
500 V
2 V
830 mA
133 mA
83 mA
13 mA
25 mA
25 A
400 mA
None of the above
The sum of the voltage drops equals the applied voltage
All voltage drops are equal
The smallest resistance has the largest voltage drop.
The voltage drop across the largest resistance equals the applied V.
Will stay lit
Will not stay lit
Will also fail and be "open"
None of these
The total resistance will decrease and current will stay the same
Current and resistance will both increase
Current will increase and the resistance will stay the same
Current and resistance will both decrease
30 Volts
45 Volts
90 Volts
180 Volts
It is impossible to determine the voltages unless the resistor values are known.
Across the load
In series with ground
In series with the part of the circuit under test
In parallel with the power source
A very low resistance
A very high resistance
Zero resistance
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