Basic Electronic

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?

• 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?

• B. Capacitance
• C. Resistance
• D. Inductance

T5A06 What is the basic unit of inductance?

• A. The coulomb
• 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?

• B. The ohm
• C. The volt
• D. The henry

• 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