Question

An electeic bulb draws a current of 0.25A for 20min clculate the amont electric charge that flow through the circuit​

Answer 1

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Answer 2

✬ Charge = 300C ✬

Explanation:

Given:

• An electric bulb draws a current of 0.25A.
• Time given is 20 minutes.

To Find:

• Amount of charge flowed through circuit ?

Formula to be used:

• Current passed = ( Charge moved/Time taken )
• I = Q/T

Solution: Converting the time into seconds.

➙ 1 Minute = 60 Seconds

∴ 20 minutes = 20 $\times$ 60 = 1200 sec.

• Put the values on formula •

$\implies{\rm }$ I = Q/T

$\implies{\rm }$ 0.25 = Q/1200

$\implies{\rm }$ 25/100 $\times$ 1200 = Q

$\implies{\rm }$ 25 $\times$ 12 = Q

$\implies{\rm }$ 300C = Q

Hence, 300 coulomb charge moved through the circuit.

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★ Meaning of Signs ★

➨ I = Current { S.I unit is Amphere (A).}

➨ Q = Electric Charge { S.I unit is Coulomb (C) }

➨ T = Time { S.I units is second (S) }