HP1 Circuits Review

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

• q

• V

• R

• I

Of the options below, which has little electrical resistance?

• Plastic

• Voltmeter

• Ammeter

• Air

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

• Power of a circuit

• Energy supplied or consumed by that part

• Resistance of the current flow

• Current in the Circuit

Match the Unit to its quantity

• Current

• Joule

• Energy

• Ampere

• Voltage

• Watt

• Resistance

• Power

• Volt

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

• Increases

• Decreases

• Stays the Same

• Goes to Zero

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

• Increases

• Decreases

• Stays the Same

• Becomes zero somehow

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

• Increases

• Decreases

• Stays the Same

• Becomes zero somehow

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

• In series with the rest of the circuit

• In parallel with the rest of the circuit

• One lead goes to the circuit, the other to ground

• Each end goes on a different side of the battery

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

• In series with the rest of the circuit

• In parallel with the rest of the circuit

• One lead goes to the circuit, the other to ground

• Goes between the battery and the first resistor

Voltmeters are designed to have...

• high resistance

• low resistance

• high power output

• high current

• low power output