An ammeter of resistance 5Ω has a full-scale deflection when a current of 50 mA flows in it. The value of the resistor required to adapt it to measure a current of 5 A is?

a

0.25Ω

b

5.00Ω

c

19.80Ω

d

0.05Ω

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Explanation

Correct Option
d

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Discussions (7)

kairakizitor7
2 years ago

God will see us through 😭😭😩💔

Gihjk268Gusvk
2 years ago

guys ive understood
R=rI/i-I where r is the resistance, I is the current in mA which will be divided by 1000 to be converted to Amps and i is current measured in Amps so 50Ma is 0.05 when converted to Amps
R= 5x0.05/5-0.05
R=0.25/4.95
R=0.0505050
R=0.05

Iwanger101
3 years ago

oh so everybody understands the something that they did up there...ok na

OsagieN
2 years ago

𝐃✅✅

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