Podcast
Questions and Answers
Which equation represents Ohm's Law?
Which equation represents Ohm's Law?
- $P = VI$
- $Q = It$
- $V = IR$ (correct)
- $R = V/I$
What is the formula for calculating charge?
What is the formula for calculating charge?
- $P = VI$
- $Q = It$ (correct)
- $R = V/I$
- $V = IR$
What is the formula for calculating power?
What is the formula for calculating power?
- $R = V/I$
- $P = VI$ (correct)
- $Q = It$
- $V = IR$
What is the formula for calculating resistance?
What is the formula for calculating resistance?
What is the unit of electric current?
What is the unit of electric current?
What is the unit of electric charge?
What is the unit of electric charge?
Which of the following best describes an electric field?
Which of the following best describes an electric field?
What is the net charge of an atom that has gained two electrons?
What is the net charge of an atom that has gained two electrons?
Which of the following materials is an electrical conductor?
Which of the following materials is an electrical conductor?
What is the main difference between an electric field from a positive charge and an electric field from a negative charge?
What is the main difference between an electric field from a positive charge and an electric field from a negative charge?
Which of the following materials has a low resistivity?
Which of the following materials has a low resistivity?
What causes the repulsion between two balloons that are charged with the same type of charge?
What causes the repulsion between two balloons that are charged with the same type of charge?
Which of the following statements is true about electrical insulators?
Which of the following statements is true about electrical insulators?
What is the purpose of a resistor in an electrical circuit?
What is the purpose of a resistor in an electrical circuit?
What is the unit used to measure resistance in an electrical circuit?
What is the unit used to measure resistance in an electrical circuit?
What is the purpose of a voltmeter in an electrical circuit?
What is the purpose of a voltmeter in an electrical circuit?
What is the purpose of an ammeter in an electrical circuit?
What is the purpose of an ammeter in an electrical circuit?
What is the formula to calculate the charge in an electrical circuit?
What is the formula to calculate the charge in an electrical circuit?
Which of the following is true about series circuits?
Which of the following is true about series circuits?
What is the current flowing through the circuit when the switch is closed?
What is the current flowing through the circuit when the switch is closed?
What is the voltage across the 4.5Ω resistor in the circuit?
What is the voltage across the 4.5Ω resistor in the circuit?
What is the power dissipated by the circuit when the switch is closed?
What is the power dissipated by the circuit when the switch is closed?
What is the total resistance of the circuit when the switch is open?
What is the total resistance of the circuit when the switch is open?
What is the charge in the motor over a period of 3 minutes?
What is the charge in the motor over a period of 3 minutes?
Which equation represents the relationship between power (P), voltage (V), and current (I)?
Which equation represents the relationship between power (P), voltage (V), and current (I)?
What is the potential difference across a conductor with a current of 12.5A and a power of 1500W?
What is the potential difference across a conductor with a current of 12.5A and a power of 1500W?
If a circuit has a potential difference of 80V and a current of 2A, what is the power supplied by the circuit?
If a circuit has a potential difference of 80V and a current of 2A, what is the power supplied by the circuit?
In a circuit with two bulbs in series and a battery, if one bulb blows out, what happens to the brightness of the other bulb?
In a circuit with two bulbs in series and a battery, if one bulb blows out, what happens to the brightness of the other bulb?
In a circuit with two bulbs in parallel and a battery, if one bulb blows out, what happens to the brightness of the other bulb?
In a circuit with two bulbs in parallel and a battery, if one bulb blows out, what happens to the brightness of the other bulb?
What is the power of an oven that uses a current of 8A and has a potential difference of 12V?
What is the power of an oven that uses a current of 8A and has a potential difference of 12V?
