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HAM
Trainer
Readiness
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Checkpoint
Group T5D
14 questions from the official pool, drawn by ID — exact wording, never retyped.
T5D01
What formula is used to calculate current in a circuit?
A
I = E x R
B
I = E / R
C
I = E2 x R
D
I = E2 / R
T5D02
What formula is used to calculate voltage in a circuit?
A
E = I x R
B
E = I / R
C
E = I2 x R
D
E = I2 / R
T5D03
What formula is used to calculate resistance in a circuit?
A
R = E x I
B
R = E / I
C
R = E + I
D
R = E - I
T5D04
What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?
A
3 ohms
B
30 ohms
C
1/30 ohm
D
270 ohms
T5D05
What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?
A
18 ohms
B
0.125 ohms
C
8 ohms
D
13.5 ohms
T5D06
What is the resistance of a circuit that draws 4 amperes from a 12-volt source?
A
3 ohms
B
16 ohms
C
48 ohms
D
8 ohms
T5D07
What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?
A
9600 amperes
B
200 amperes
C
0.667 amperes
D
1.5 amperes
T5D08
What is the current through a 100-ohm resistor connected across 200 volts?
A
20,000 amperes
B
0.5 amperes
C
2 amperes
D
100 amperes
T5D09
What is the current through a 24-ohm resistor connected across 240 volts?
A
2400 amperes
B
0.1 amperes
C
10 amperes
D
5760 amperes
T5D10
What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?
A
1 volt
B
0.25 volts
C
2.5 volts
D
1.5 volts
T5D11
What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?
A
1 volt
B
10 volts
C
11 volts
D
9 volts
T5D12
What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?
A
8 volts
B
0.2 volts
C
12 volts
D
20 volts
T5D13
In which type of circuit is the current always the same through all components?
A
Series
B
Parallel
C
Resonant
D
Branch
T5D14
In which type of circuit is the voltage always the same across all components?
A
Series
B
Parallel
C
Resonant
D
Branch
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