Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
We know that,
P=VI
I = `"P"/"V" = (3 xx 1000)/250` = 12A
Thus, it can be used in a circuit which contains a 13A fuse.
APPEARS IN
संबंधित प्रश्न
The atoms of copper contain electrons and the atoms of rubber also contain electrons. Then why does copper conduct electricity but rubber does not conduct electricity?
If the charge on an electron is 1.6 × 10−19 coulombs, how many electrons should pass through a conductor in 1 second to constitute 1 ampere current?
The work done in moving unit positive charge across two points in an electric circuit is a measure of
Find the effective resistance in the following circuit diagrams (Fig.):

Calculate the current through a 60 W lamp rated 250 V. If the line voltage falls to 200 V, how is power consumed by the bulb affected?
An electric bulb is rated '100 W, 250 V'. How much current will the bulb draw if connected to a 250 V supply?
An electric bulb is rated at 220 V, 100 W.
- What is its resistance?
- What safe current can be passed through it?
A geyser is rated 1500 W, 250 V. This geyser is connected to 250 V mains. Calculate:
- The current drawn,
- The energy consumed in 50 hours, and
- The cost of energy consumed at ₹ 4.20 per kWh.
How is direction of current related to the direction of flow of electrons?
