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HP1 Circuits Review

Total questions: 22

Worksheet time: 14mins

Name
Class
Date
1.

What is the mathematical symbol for current in Ohm's Law Equation?

a)

q

b)

V

c)

R

d)

I

2.

Of the options below, which has little electrical resistance?

a)

Plastic

b)

Voltmeter

c)

Ammeter

d)

Air

3.

Voltage Gain from a battery or Voltage Drop for a lightbulb is analogous to the...

a)

Power of a circuit

b)

Energy supplied or consumed by that part

c)

Resistance of the current flow

d)

Current in the Circuit

4.

Match the Unit to its quantity

a)

Ampere

1.

Current

b)

Watt

2.

Power

c)

Volt

3.

Voltage

d)

Joule

4.

Energy

e)

Ω\Omega

5.

Resistance

5.

What happens to the total resistance of a parallel circuit as you add resistors?

a)

Increases

b)

Decreases

c)

Stays the Same

d)

Goes to Zero

6.

What happens to the total current of a circuit as you place more and more resistors in parallel?

a)

Increases

b)

Decreases

c)

Stays the Same

d)

Becomes zero somehow

7.

What happens to the total voltage of a circuit as you place more and more resistors in parallel?

a)

Increases

b)

Decreases

c)

Stays the Same

d)

Becomes zero somehow

8.

How do you connect an ammeter's leads to a circuit to determine current?

a)

In series with the rest of the circuit

b)

In parallel with the rest of the circuit

c)

One lead goes to the circuit, the other to ground

d)

Each end goes on a different side of the battery

9.

How do you connect an voltmeter's leads to a circuit to determine voltage?

a)

In series with the rest of the circuit

b)

In parallel with the rest of the circuit

c)

One lead goes to the circuit, the other to ground

d)

Goes between the battery and the first resistor

10.

Voltmeters are designed to have...

a)

high resistance

b)

low resistance

c)

high power output

d)

high current

e)

low power output

11.

A resistor has a voltage drop of 18 volts and a current through it of 3 amps. What is its resistance?

a)

54 Ω\Omega

b)

0.167 Ω\Omega

c)

6 Ω\Omega

d)

21 Ω\Omega

12.

A resistor with 10 Ω\Omega has 2 amps flowing through it. How many volts of potential difference?

a)

20 V

b)

5 V

c)

0.2 V

d)

10 V

13.

Which of the following is a unit of power consumption that the electricity utility places on bills to charge customers?

a)

Joule

b)

Amp

c)

Watt

d)

kilowatt ∘ hourkilowatt\ \circ\ hour

14.

A resistor with 15 ohms of resistance and a voltage of 4 volts has how much current?

a)

60 amps

b)

0.267 amps

c)

3.75 amps

d)

1.25 amps

15.

What is a valid method of determining power besides Current ⋅ Voltage?

a)

VR\frac{V}{R}

b)

I∘RI\circ R

c)

I2∘RI^2\circ R

d)

VR2\frac{V}{R^2}

16.

Match the following circuits to their pictures

a)
1.

Series Circuit

b)
2.

Parallel Circuit

c)
3.

Short Circuit

d)
4.

Combo Circuit

e)
5.

Open Circuit

17.

If a 2Ω and a 4Ω resistor are in series with each other what is the total resistance on the circuit?

a)

2 Ω

b)

4 Ω

c)

1.33 Ω

d)

6 Ω

18.

If a 6 Ω and 2 Ω resistor are in parallel with each other what is the total resistance on the circuit?

a)

12 Ω

b)

4 Ω

c)

1.5 Ω

d)

8 Ω

19.

What kind of circuit would we find in a cheap strand of holiday lights, if one bulb goes out on the line they ALL go out?

a)

Parallel Circuit

b)

Series Circuit

c)

Simple Circuit

d)

Short Circuit

20.

Which kind of circuit would we find in a household circuit?

a)

Parallel Circuit

b)

Short Circuit

c)

Series Circuit

d)

Complex Circuit

21.

How can you identify a parallel circuit?

a)

It has constant current

b)

Everything is on a common line

c)

It has constant resistance

d)

It has junctions somewhere on the circuit

22.

From this image how could you determine the Resistance that caused this graphical relationship?

a)

y2−y1x2−x1\frac{y_2-y_1}{x_2-x_1}

b)

Determine the y-intercept

c)

runrise\frac{run}{rise}

d)

ΔxΔy\frac{\Delta x}{\Delta y}

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