Advertisements
Advertisements
प्रश्न
Write the SI units for:
(a) Electric current
(b) Potential difference
(c) Charge.
Advertisements
उत्तर
(a) Ampere
(b) Volt
(c) Coulomb
APPEARS IN
संबंधित प्रश्न
Which particles are responsible for current in conductors?
Write an expression for the electrical power spent in flow of current through a conductor in terms of
(a) Resistance and potential difference, (b) current and resistance.
Distinguish between kilowatt and kilowatt-hour.
Calculate the current through a 60 W lamp rated for 250 V. If the line voltage falls to 200 V, how is the power consumed by the bulb affected?
State two advantages of filling an inert gas in an evacuated electric filament lamp.
What is the order of current drawn by appliances connected to the ‘power circuit’ of a household?
How does earthing prevent electrical shock?
With reference to the diagram shown below calculate:
(i) The equivalent resistance between P and Q.
(ii) The reading of ammeter.
(iii) The electrical power between P and Q.
I ampere of current is passed through a resistor of resistance R ohm for time t second. Obtain expression for
(i) the electrical energy, and
(ii) the electrical power spent.
