Question

1. What was the equivalent capacitance for two capacitors in series? What was the equivalent capacitance for two capacitors in parallel?

2. How is the charge on a capacitor found?

3. What held more total charge, capacitors in series or in parallel?

4. How does current flow in a circuit with a capacitor if the two plates in a capacitor are not connected by a conductor?

5. What do each of the four lines on a resistor mean? (Give four answers, one for each line)

6. How can you tell that you’re reading the colored band on a resistor in the right order and not backwards?

7. What was the equivalent resistance for two resistors in series? What was the equivalent resistance for two resistors in parallel?

8. How does current split through two resistors in parallel if one resistor is larger than the other? Which receives more current and which receives less?

Answer 1

1)

for capacitors in series

1/C = 1/C1 + 1/C2 + 1/C3 _ _ _ so on

for capacitors in parallel

C = C1 + C2 + C3 _ _ _ so on

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2)

charge on capacitor is found as

Q = CV

where V is supply voltage

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3)

for same V, capacitors in parallel held more charge

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4)

there will be no current if there is no supply

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5)

lines on resistors usually means color code. We can find the numerical value of resistance for any resistor with given colored lines

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6)

By using the color chart for resistor

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7)

resistors in series

R = R1 + R2 + R3 _ _ _ so on

resistors in parallel

1/R = 1/R1 + 1/R2 + 1/R3 _ _ _ _ _ so on

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8)

the resistance with less resistance will receive more current. Current always takes path with least resistance.