Podcast
Questions and Answers
What is the unit of power?
What is the unit of power?
- Watt (correct)
- Ampere
- Volt
- Joule
What is the ability of electrical energy?
What is the ability of electrical energy?
- To magnetize objects
- To generate heat
- To apply force to move an object or to do work (correct)
- To produce light
What is the formula for power in terms of current and resistance?
What is the formula for power in terms of current and resistance?
- P = I/V
- P = V^2/R
- P = I^2R (correct)
- P = VI
A light bulb is rated in ________.
A light bulb is rated in ________.
What is the mathematical formula for power?
What is the mathematical formula for power?
What is the formula for current in terms of charge and time?
What is the formula for current in terms of charge and time?
What is the power consumption of the electric heater in kW?
What is the power consumption of the electric heater in kW?
How many months were considered to calculate the monthly bill?
How many months were considered to calculate the monthly bill?
What unit is used to measure the power rate in the given context?
What unit is used to measure the power rate in the given context?
How does electricity affect muscle cells in the heart?
How does electricity affect muscle cells in the heart?
What do ECG machines measure in the heart?
What do ECG machines measure in the heart?
How does a healthy heartbeat appear on an ECG machine?
How does a healthy heartbeat appear on an ECG machine?
What is the unit of electromotive force (emf)?
What is the unit of electromotive force (emf)?
What type of energy is produced by electrical charges?
What type of energy is produced by electrical charges?
What is the term for moving electrical charge?
What is the term for moving electrical charge?
What is the term for stored electrical energy?
What is the term for stored electrical energy?
What is the purpose of a 'heating element' in electric appliances?
What is the purpose of a 'heating element' in electric appliances?
What is one of the most common uses of electrical energy?
What is one of the most common uses of electrical energy?
