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Voltage and Current problems
1. What do you call a diagram that shows the electrical connections of a circuit's components?
Options
A. A schematic diagram
B. A pictorial diagram
C. A block diagram
D. An electrical diagram
Show Answer
Scratch Pad
Discuss
Correct Answer: A schematic diagram
2. Which part of an atom has no electrical charge?
Options
A. Electron
B. Neutron
C. Proton
D. All of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Neutron
3. A voltmeter is used:
Options
A. to measure current
B. in series with the circuit
C. in parallel with the circuit
D. to measure coulombs
Show Answer
Scratch Pad
Discuss
Correct Answer: in parallel with the circuit
4. Which unit of charge contains 6.25 × 10
18
electrons?
Options
A. An ampere
B. A coulomb
C. A volt
D. A joule
Show Answer
Scratch Pad
Discuss
Correct Answer: A coulomb
5. Which voltage source converts chemical energy to electrical energy?
Options
A. Electrical generator
B. Battery
C. Solar cell
D. Electronic power supply
Show Answer
Scratch Pad
Discuss
Correct Answer: Battery
6. Which resistive component is designed to be temperature sensitive?
Options
A. Thermistor
B. Rheostat
C. Potentiometer
D. Photoconductive cell
Show Answer
Scratch Pad
Discuss
Correct Answer: Thermistor
7. The term used to designate electrical pressure is:
Options
A. voltage
B. current
C. resistance
D. conductance
Show Answer
Scratch Pad
Discuss
Correct Answer: voltage
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More in Electronics:
Alternating Current and Voltage
Alternating Current vs Direct Current
Analog and Digital Converters
Analog to Digital
Arithmetic Operations and Circuits
Basic Op-Amp Circuits
Bipolar Junction Transistors (BJT)
Capacitors
Combinational Logic Circuits
Computer Hardware and Software
Diodes and Applications
Field Effect Transistors (FET)
Flip-Flops and Timers
Inductors
Logic Circuit Simplification
Logic Gates
Magnetism and Electromagnetism
Measurement, Conversion and Control
Number Systems and Codes
Ohm's Law
Operational Amplifiers
Parallel Circuits
Programmable Logic Devices (PLD)
Quantities and Units
RC Circuits
Resistance and Power
RL Circuits
RLC Circuits and Resonance
Semiconductor Memory
Semiconductor Principles
Sequential Logic Circuits
Series-Parallel Circuits
Series Circuits
Special-Purpose Op-Amp Circuits
Standard Logic Devices (SLD)
Testing and Troubleshooting
Thyristors and Tranducers
Time Response of Reactive Circuits
Transformers
Transistors and Applications
Voltage and Current