T5A01 What does resistance do in an electric circuit?
- A. It stores energy in a magnetic field
- B. It stores energy in an electric field
- C. It provides electrons by a chemical reaction
- D. It opposes the flow of electrons
T5A04 What is one reason resistors are used in electronic circuits?
- A. To block the flow of direct current while allowing alternating current
to pass
- B. To block the flow of alternating current while allowing direct current
to pass
- C. To increase the voltage of the circuit
- D. To control the amount of current that flows for a particular
applied voltage
T5A03 What is the basic unit of resistance?
- A. The farad
- B. The watt
- C. The ohm
- D. The resistor
T5A02 What is the definition of 1 ohm?
- A. The reactance of a circuit in which a 1-microfarad capacitor is
resonant at 1 MHz
- B. The resistance of a circuit in which a 1-amp current flows when
1 volt is applied
- C. The resistance of a circuit in which a 1-milliamp current flows
when 1 volt is applied
- D. The reactance of a circuit in which a 1-millihenry inductor is resonant
at 1 MHz
T5A05 What is the ability to store energy in a magnetic field called?
- A. Admittance
- B. Capacitance
- C. Resistance
- D. Inductance
T5A06 What is the basic unit of inductance?
- A. The coulomb
- B. The farad
- C. The henry
- D. The ohm
T5A07 What is a henry?
- A. The basic unit of admittance
- B. The basic unit of capacitance
- C. The basic unit of inductance
- D. The basic unit of resistance
T5A08 What is one reason inductors are used in electronic circuits?
- A. To block the flow of direct current while allowing alternating current
to pass
- B. To reduce the flow of AC while allowing DC to pass freely
- C. To change the time constant of the applied voltage
- D. To change alternating current to direct current
T5A09 What is the ability to store energy in an electric field called?
- A. Inductance
- B. Resistance
- C. Tolerance
- D. Capacitance
T5A10 What is the basic unit of capacitance?
- A. The farad
- B. The ohm
- C. The volt
- D. The henry
T5A11 What is a farad?
- A. The basic unit of resistance
- B. The basic unit of capacitance
- C. The basic unit of inductance
- D. The basic unit of admittance
T5A12 What is one reason capacitors are used in electronic circuits?
- A. To block the flow of direct current while allowing alternating
current to pass
- B. To block the flow of alternating current while allowing direct current
to pass
- C. To change the time constant of the applied voltage
- D. To change alternating current to direct current