Question: 1. If you have a Parallel resistor circuit with two resistors, R 1 and R 2 , if R 1 = 15 Ohms and R

1. If you have a Parallel resistor circuit with two resistors, R1 and R2, if R1 = 15 Ohms and R2 = 5 Ohms, what is the RTotal (choose the closest answer)?

a.

10 Ohms

b.

3 Ohms

c.

20 Ohms

d.

4 Ohms

2. If you have an electric car that consumes power from the batteries at 100 Volts with a steady current of 20 Amps for 10 hours (great batteries for a long trip!), what is the amount of power being drawn from the batteries?

a.

50 W

b.

200 W

c.

5 W

d.

2000 W

3. If you have a series resistor circuit with two resistors, R1 and R2, if R1 = 100 Ohms and R2 = 2000 Ohms, what is the total resistance RTotal?

a.

300 Ohms

b.

3000 Ohms

c.

2100 Ohms

d.

200 Ohms

4. If you have an electric car that consumes power from the batteries at 100 Volts with a steady current of 20 Amps for 10 hours (great batteries for a long trip!), what is the amount of energy consumed for the 10 hour trip?

a.

50kW-H

b.

20 kW-H

c.

5 kW-H

d.

2 kW-H

5. If you have a rock with mass 2.5kg and with a volume of 6.5L, what it its weight density?

a.

16 kg/L

b.

0.40 kg/L

c.

3.8 N/L

d.

0.38 N/L

6. (Ohm's Law) If you have a circuit with a 1.5V battery, and a light bulb that has a resistance of 10.0 Ohms, what is the current flowing through the light bulb?

a.

0.67 A

b.

1.5 A

c.

0.15 A

d.

15 A

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