AT&T TKT II Comprehensive
Questions (Frequently Tested)
with Verified Answers Graded
A+
volt is a measure of: - Answer: Electromotive Force, or , Electrical Potential
What is the equation to solve for power (P)? - Answer: P = V(I), power = volt x current
Define Coloumbs Law - Answer: The SI unit of a electrical charge, equal to the quantity of
electricity conveyed in one second by a current of one ampere
What is Ohm's law equation? - Answer: voltage = current x resistance, v=i(r)
(I) or (a) sometimes (e) in ohms law is known as ? - Answer: An Ampere (amps)
What is the base unit of charge? - Answer: A Coloumb
In conventional Current Flow; What direction does electrons flow? - Answer: From positive to
negative
In real life what direction do electrons actually flow? - Answer: From negative to positive (not
used for electric engineering)
, The flow of electric charge that regularly reverse in polarity is said to be ? - Answer: Alternating
Current ( A/C)
______ ______ is the one directional flow of an electric charge. - Answer: Direct Current ( D/C)
In a RCL circuit the phase difference between Voltage & Current is said to be ? - Answer: Less
than 90 degrees
Solve for V; if the current is set to 2a, with a resistance of 15 ohms. What is the Voltage? -
Answer: 30v
Solve for i; in a series circuit the voltage is 20v and there are two resistors @ 4ohms and 1ohms.
What is the current value? - Answer: 4 amps
Solve for R; voltage is at 50v with a current of 25 amps . What is the value of the resistor ? -
Answer: 2 ohms
When an applied frequency is increased in a circuit containing both and inductor and a
capacitor ; what happens to inductive reactance? - Answer: Inductive reactance increases
A Capacitor opposes any change in the _________ of a defined circuit. - Answer: Voltage (V)
Inductance opposes a change in the? - Answer: Current (i)
Three Resistors connected in parallel with values of 15, 10 and 6 ohms . What is the total
resistance ? - Answer: 3.06 ohms,
Questions (Frequently Tested)
with Verified Answers Graded
A+
volt is a measure of: - Answer: Electromotive Force, or , Electrical Potential
What is the equation to solve for power (P)? - Answer: P = V(I), power = volt x current
Define Coloumbs Law - Answer: The SI unit of a electrical charge, equal to the quantity of
electricity conveyed in one second by a current of one ampere
What is Ohm's law equation? - Answer: voltage = current x resistance, v=i(r)
(I) or (a) sometimes (e) in ohms law is known as ? - Answer: An Ampere (amps)
What is the base unit of charge? - Answer: A Coloumb
In conventional Current Flow; What direction does electrons flow? - Answer: From positive to
negative
In real life what direction do electrons actually flow? - Answer: From negative to positive (not
used for electric engineering)
, The flow of electric charge that regularly reverse in polarity is said to be ? - Answer: Alternating
Current ( A/C)
______ ______ is the one directional flow of an electric charge. - Answer: Direct Current ( D/C)
In a RCL circuit the phase difference between Voltage & Current is said to be ? - Answer: Less
than 90 degrees
Solve for V; if the current is set to 2a, with a resistance of 15 ohms. What is the Voltage? -
Answer: 30v
Solve for i; in a series circuit the voltage is 20v and there are two resistors @ 4ohms and 1ohms.
What is the current value? - Answer: 4 amps
Solve for R; voltage is at 50v with a current of 25 amps . What is the value of the resistor ? -
Answer: 2 ohms
When an applied frequency is increased in a circuit containing both and inductor and a
capacitor ; what happens to inductive reactance? - Answer: Inductive reactance increases
A Capacitor opposes any change in the _________ of a defined circuit. - Answer: Voltage (V)
Inductance opposes a change in the? - Answer: Current (i)
Three Resistors connected in parallel with values of 15, 10 and 6 ohms . What is the total
resistance ? - Answer: 3.06 ohms,
