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Question

Thank you. It is about technical physical science.

Work each problem below and show all your work (including equations) for full credit.
1. A volt is a unit of
2. An ampere is a unit of
3. An ohm is a unit of
4. Does Voltage cause Current, or does Current cause Voltage? Which is the cause and which is
the effect?
5. A wire carries 0.6 A current that flows through a 6 V light bulb.
a. What is the resistance of the light bulb?
6. A 5 0 light bulb is connected to a 3 V battery.
a. What is the amount of current flowing through the bulb?
b. Calculate the amount of power is used by the bulb.
7. A 1.5 V battery with an internal resistance of 5 ohms is connected to a light bulb with a 20
ohm resistance.
a. Calculate the RTotal for this circuit.
b. Calculate current flowing through the circuit.
c. What is the voltage difference across the light bulb?
8. In the circuit below, the two resistors are connected in series. Solve for the:
a. Current flowing thru the 1 and 9 ohm resistors.
9.0
b. Voltage across the two resistors.
6.(
1,0
9. Two resistors, each having a resistance of 3 ohms, are connected in parallel to a 1.5 V
battery.
a. Draw the circuit.
b. What is the equivalent resistance of the combination?
c. What is the voltage drop across each resistor?
d. What current is drawn by each resistor?
10. In the circuit below, the three resistors are connected in parallel with each other. If the
battery supplies 12 V, find the:
a. Equivalent resistance of the combination.
2.0
6.0
3.0
12v
b. Current drawn by each of the three resistors
and the total current for the circuit?
10. In the circuit below, the three resistors are connected in parallel with each other. If the
battery supplies 12 V, find the:
a. Equivalent resistance of the combination.
2.0
6.0
3.0
12v
b. Current drawn by each of the three resistors
and the total current for the circuit?
c. Voltage across each of the three resistors.
Complete the table for each complex circuit (don’t forget the proper units):

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Subject: Physics, Science

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