TNCC FULL SOLUTION PACK

TNCC FULL SOLUTION PACK(ALL TNCC EXAMS AND
STUDY QUESTIONS ARE HERE -ALL ANSWERED
CORRECTLY) ( BUNDLE )
Problem 1
Determine the equivalent resistance for the system shown in the figure below.
Assume identical resistors, R = 50 Ω. - ANSWER: DC Circuits

Problem 2
Determine the equivalent resistance of the system shown in the figure below -
ANSWER: DC Circuits

Problem 3
Determine the current through each resistor in Problem 2. - ANSWER: DC Circuits

Problem 4
Four segments of current join at the junction shown in the figure. Determine the
magnitude and direction of the fourth current. - ANSWER: DC Circuits

Problem 5
Determine the value of the unknown resistor in the circuit shown in the figure
below. - ANSWER: DC Circuits

Problem 6
Determine the current in each branch of the circuit shown below. - ANSWER: DC
Circuits

Problem 7
Determine the current (magnitude and direction) in the flat wire at the bottom of
the circuit shown in the figure below. - ANSWER: DC Circuits

Problem 8
A single 50 Ω resistor is connected to a 1.5 V battery. Determine the power
dissipated by the resistor. - ANSWER: DC Circuits

Problem 9
Two resistors, one of 50 Ω and one of 80 Ω are connected in parallel to a 8V battery.
Determine the power dissipated by the 50 Ω resistor. - ANSWER: DC Circuits

Problem 10
Two resistors, one of 50 Ω and one of 80 Ω are connected in series to a 8V battery.
Determine the power dissipated by the 50 Ω resistor - ANSWER: DC Circuits

Problem 11

, A battery powered global positioning system receiver operating on 9 V draws 0.13 A.
How much electrical energy does it consume in 30 min? - ANSWER: DC Circuts

Problem 12
The battery of a certain cell phone is rated at 3.70 V. According to the manufacturer,
it can produce 3.15 x 104 J of electricity, enough for 5.24 hours of operation, before
needing to be recharged. Find the average current that this cell phone draws when
turned on. - ANSWER: DC Circuits

Problem 13
A person with body resistance between his hands of 10 kΩ accidentally grasps the
terminals of a 14 kV power supply. What is the current through his body? What is
the power dissipated by his body? - ANSWER: DC Circuits

Problem 14
Determine the power dissipated by the 10Ω resistor in the figure below. - ANSWER:
DC Circuits

Problem 1
Determine the time constant of the RC circuit shown in the figure below. Is this
circuit set up for charging or discharging? - ANSWER: RC Circuits

Problem 2 If the capacitor in the RC circuit shown in Problem 1 was initially charged
to 35 µC, determine the time it takes for the capacitor to have only 1 µC of charge
remaining on it. - ANSWER: RC Circuits

Problem 3 Consider the RC circuit shown below. The switch is initially in position A,
and has been for a very long time. Determine the charge on the capacitor. -
ANSWER: RC Circuits

Problem 4 The switch in Problem 3 is suddenly thrown over to position B. Determine
the length of time required for the capacitor to discharge 50% of its original charge. -
ANSWER: RC Circuits

Problem 5 An unknown resistor and capacitor are connected in series to a battery as
shown in the figure below. At time t = 0 s, the switch is closed. After 0.5 µs, the
current is measured to be 1% of its original value. Determine the time constant of
this system. - ANSWER: RC Circuits

Problem 6 A 100 Ω resistor and unknown capacitor are connected in series to a
battery as shown in the figure below. At time t = 0 s, the switch is closed. After 0.5
µs, the voltage across the capacitor is measured to be 15% of its maximum value.
Determine the capacitance of the capacitor - ANSWER: RC Circuits

Problem 7 With the switch closed, find the reading of the ammeter. Which direction
does the current flow through the switch (up or down)? - ANSWER: RC Circuits