CETA QUESTIONS WITH COMPLETE
SOLUTIONS
The total resistance of a parallel circuit containing equal branch resistances is found by the following:
a. by adding all of the branch resistance values
b. by taking the product of all the branch resistance values
c. by dividing the resistance value of a branch by the number of branches
d. the value cannot be found ✅✅ANSW-c. by dividing the resistance value of a branch by the
number of branches
A 12 VDC power supply has a 15 ohm internal resistance. What load resistance can be connected to
transfer maximum power?
a. 15 ohms
b. 20 ohms
c. 10 ohms
d. 5 ohms ✅✅ANSW-a. 15 ohms
Maximum power transfer occurs when the load impedance is equal to the source impedance - True
or False? ✅✅ANSW-True
What will happen to the current through a resistor if the resistor value decreases?
a. current increases
b. current remains unchanged
c. current decreases
d. current and the voltage across the resistor increases ✅✅ANSW-c. current decreases
Which type of circuit has the same voltage drop across each component?
, a. parallel
b. series-parallel
c. series
d. combination ✅✅ANSW-a. parallel
Total power in a series circuit is determined by the:
a. source voltage times the current
b. total voltage applied to the circuit
c. current flowing through the switch
d. average wattage rating of each resistor ✅✅ANSW-a. source voltage times the current
Which is the equivalent to 100 microamps?
a. .1 milliamps
b. 1 milliamps
c. 10 milliamps
d. 10 nanoamps ✅✅ANSW-a. .1 milliamps
A resistor _______.
a. stores an electric charge
b. is measured in coulombs
c. in a circuit causes a voltage drop from one end of the resistor to the other end
d. is dependent on lines of force ✅✅ANSW-c. in a circuit causes a voltage drop from one end of
the resistor to the other end
1 kΩ is the same as __________.
a. 1 thousand ohms
SOLUTIONS
The total resistance of a parallel circuit containing equal branch resistances is found by the following:
a. by adding all of the branch resistance values
b. by taking the product of all the branch resistance values
c. by dividing the resistance value of a branch by the number of branches
d. the value cannot be found ✅✅ANSW-c. by dividing the resistance value of a branch by the
number of branches
A 12 VDC power supply has a 15 ohm internal resistance. What load resistance can be connected to
transfer maximum power?
a. 15 ohms
b. 20 ohms
c. 10 ohms
d. 5 ohms ✅✅ANSW-a. 15 ohms
Maximum power transfer occurs when the load impedance is equal to the source impedance - True
or False? ✅✅ANSW-True
What will happen to the current through a resistor if the resistor value decreases?
a. current increases
b. current remains unchanged
c. current decreases
d. current and the voltage across the resistor increases ✅✅ANSW-c. current decreases
Which type of circuit has the same voltage drop across each component?
, a. parallel
b. series-parallel
c. series
d. combination ✅✅ANSW-a. parallel
Total power in a series circuit is determined by the:
a. source voltage times the current
b. total voltage applied to the circuit
c. current flowing through the switch
d. average wattage rating of each resistor ✅✅ANSW-a. source voltage times the current
Which is the equivalent to 100 microamps?
a. .1 milliamps
b. 1 milliamps
c. 10 milliamps
d. 10 nanoamps ✅✅ANSW-a. .1 milliamps
A resistor _______.
a. stores an electric charge
b. is measured in coulombs
c. in a circuit causes a voltage drop from one end of the resistor to the other end
d. is dependent on lines of force ✅✅ANSW-c. in a circuit causes a voltage drop from one end of
the resistor to the other end
1 kΩ is the same as __________.
a. 1 thousand ohms
