Advertisements
Advertisements
Question
Write down the formula which relates electric charge, time and electric current
Solution
If a charge of Q coulombs flows through a conductor in time t seconds, the magnitude, I of the electric current flowing through it is given by:
`I=Q/t`
APPEARS IN
RELATED QUESTIONS
How does the heat H produced by a current passing through a fixed resistance wire depend on magnitude of current I?
Find the potential difference required to pass a current of 0.2 A in a wire of resistance 20Ω
Name the principle on which a transformer works.
Tick (✓) the correct choice among the following :
(a) A strong short bar magnet is dropped into a solenoid connected to a
galvanometer as shown in fig . The galvanometer shows a deflection to the left when the current in the coil as seen from above is counter clockwise. Which one of the following shows the correct deflection of the galvanometer when the magnet is at posi tions A, Band C.
An electric kettle is rated 2.5 kW, 250 V. Find the cost of running the kettle for two hours at Rs. 5.40 per unit.
True or False – If False give the correct answer
The representation of the electric current is A
