Unit 10: Electricity and Magnetism

The units for resistance are

• Watts
• Volts
• Ohms
• Amps

If you decrease the resistance in a circuit, the current will ____________.

• Increase
• Decrease
• Stays the same
• Not enough information

The process of creating an electric current by moving a magnet inside a coil of wire is called ________________.

• Electromagentic Attraction
• Electromagnetic Induction
• Magnetic Current
• Electric Field

A motor converts ___________ energy into ____________ energy.

• Electric, Mechanical
• Mechanical, Electric
• Magnetic, Electric
• Electric, Magnetic

These two electric charges would _____________ each other.

• Repel
• Attract
• Neither
• Not enough information

When current is only able to travel in one path through a circut, we call this a __________________.

• Electromagnetic induction
• Series circuit
• Parallel circuit
• Static discharge

In a simple circuit ______________ provides the push for electrons to move through the circuit.

• Resistance
• Current
• Voltage
• Ohms

If you increase the voltage on in a circuit, what will happen to the current?

• Increase
• Decrease
• Stays the same
• Not enough information

Magnetic field lines ___________________ of a magnet

• Go from the south pole to the north pole
• Go from the north pole to the south pole
• Go from the center toward both poles
• Go from both poles toward the center

Insulators ____________.

• Hold loosely onto their electrons
• Allow the flow of current
• Are usually metals
• Hold tightly onto their electrons