10 Questions
In a parallel plate capacitor, what separates the metal plates?
Air
Which of the following is NOT an effect of electric currents?
Photoelectric effects
What does an ammeter measure?
Electric current
What does the equation Q = CV represent?
Capacitance equation
Which device is used to quickly cut off current in the event of a fault in an appliance?
MCB
kWh is the unit of energy used by a 1,000-watt appliance in how long?
$1$ hour
$Joule's$ Law indicates that heat production in an electrical circuit is proportional to what?
$I^2$
$Capacitors$ are capable of conducting which type of current but not the other?
$AC$ but not $DC$
What is the formula for work according to Joule's Law?
W = I^2Rt
Which device is used to convert chemical or mechanical energy into electrical energy?
Primary cell
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
