Physics, asked by sndhackers, 3 months ago

2. A circuit has a line of 5 A. How many lamps of rating 40 W, 200 V can simultaneously
line safely?

copy me likh ke batana mai gift dunga

Answers

Answered by lilidey81

1

Answer:

Given : P=40 W V=220 volts

Safe current through each lamp i=

V

P

=

220

40

=0.18 A

∴ Number of lamps can be safely used n=

i

I

=

0.18

5

=27 lamps

Previous Question

Next Question

Similar questions

Math, 1 month ago

9.6 12 + 0.32 × 10 - 2.1...

Physics, 1 month ago

Determine the structure factor for the basis of the diamond. (a) Sosis =1+e (3+3+13) (1 +V2 +v3 ) (b) Sbasis = 1+e e2 3 cSbasis (d) Spor=1+el+1+5) basis ...

Biology, 1 month ago

In the given figures 'A' shows a cell in the normal state and 'B' shows the same cell after leaving it in a certain solution for a few minutes: (1) Describe the change which has occurred in the cell as seen in B. (2) Give the technical terms for the condition of the cell as reached in B and as it was in A. (iii) Define the process which led to this condition. (iv) Was the solution isotonic,...

Math, 3 months ago

Mexicos flag has a height-to-length ratio is 4:7.If a Mexican flag is 28 feet long, what is its height?

Geography, 3 months ago

werite a note on India's neighbor ...

Math, 10 months ago

in the bottom right corner the answer is give plz check the answer after doing the solution...

English, 10 months ago

Read the given statement and choose the language function for given sentence. You must not smoke in the hospital. a. Offering help b. Making request c. Giving suggestion d. prohibition...

Science, 10 months ago

Planets A and B are both the same size, but planet B has three times the mass of planet A. How does the weight of an object compare on the two planets? * 10 points B. The weight of an object is three times larger on planet A. C. The weight of an object is three times larger on planet B. A. The weight of an object is the same on both planets. D. The weight of an object will depend on more...