Question

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Answer 1

Answer:

Current flowing through the 10 ohm resistor = 0.3 A

Current flowing through the 20 ohm resistor = 0.15 A

The reading of the ammeter = 0.45 A

Explanation:

Net resistance in parallel = [1/R1 + 1/R2]^-1

= [ 1/10 + 1/20]^-1

= [3/20]^-1

= 20/3 ohms

Total Current flowing through the circuit ( reading of the ammeter) by ohm's law = V/R net

= 3/(20/3)

= 0.45 amperes

Current flowing through R1 = V/R1

= 3/10

= 0.3 amperes

Current flowing through R2 = V/R2

= 3/20

= 0.15 amperes