Select the correct answer

Sam constructs a circuit connects a lead acid battery of 2 v to a lamp of resistance 3 and places an ammeter across it. What must be the

reading of the ammeter?

A 0.66 A

B 0.5 A

C 0.54 A

0.61 A

Question

Engineering

Cindy

24 July, 05:02

Select the correct answer

Sam constructs a circuit connects a lead acid battery of 2 v to a lamp of resistance 3 and places an ammeter across it. What must be the

reading of the ammeter?

A 0.66 A

B 0.5 A

C 0.54 A

0.61 A

+2

Answers (1)

Know the Answer?

Fatima · Answer 1

Option A

0.66 A

Explanation:

From Ohm's law, I=V/R where is the current in Amperes, V is the voltage and R is the resistance, from the given information, resistance is 3 Ohms and V is 2 V hence

I=2/3=0.6666667 A

Therefore, the reading on ammeter is 0.66 A

Select the correct answerSam constructs a circuit connects a lead acid battery of 2 v to a lamp of resistance 3 and places an ammeter across it. What must be thereading of the ammeter?A 0.66 AB 0.5 AC 0.54 A0.61 A

Select the correct answer

Sam constructs a circuit connects a lead acid battery of 2 v to a lamp of resistance 3 and places an ammeter across it. What must be the

reading of the ammeter?

A 0.66 A

B 0.5 A

C 0.54 A

0.61 A