MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Resistivity

Electric volt...

Question

Electric voltage is converted to $220 V$ before distribution by using

A

Step up transformer

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Step down transformer

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

Both

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

None of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Step down transformer
$275000 - 400000 V$ is converted to $220 V$ using step down transformer.

Suggest Corrections

thumbs-up

0

Similar questions

Q. A servo voltage stabiliser restricts the voltage output to 220 V ± 1%. If an electric bulb rated at 220 V, 100 W is connected to it, what will be the minimum and maximum power consumed by it?

Q. Two lamps one rated

60 W

220 V

40 W

220 V

are connected in parallel to a

220 V

electric supply mains. What is the total current drawn from the electric mains if the voltage of the electric supply is

220 V

?

Q. A transformer is designed to convert an AC voltage of 220 V to an AC voltage of 12 V. If the input terminals are connected to a DC voltage of 220 V, the transformer usually burns. Explain.

Q. An electric lamp is connected to

220 V, 50 H z

supply. Then the peak value of voltage is

Q. The coil of an electric bulb takes 40 watts to start glowing. If more than 40 W are supplied, 60% of the extra power is converted into light and the remaining into heat. The bulb consumes 100 W at 220 V. Find the percentage drop in the light intensity at a point if the supply voltage changes from 220 V to 200 V.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

RESISTIVITY

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard X Physics

Join BYJU'S Learning Program

CrossIcon