- #1

mikejones2000

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1.The manufacturer of a 12V car headlight specifies it will draw a current of 6A. You would like to check this claim with an ammeter designed to measure currents up to 10A and having a resistance of 0.1 Ohms. Which of the two figures below represents a circuit where the ammeter correctly measures the current in the headlight?

a) How much current (in A) would flow in the ammeter for Circuit a?

b) How much current (in A) flows through the ammeter for Circuit b?

2.You would like to check if the battery voltage drops while it is supplying a current of 6A. You use a voltmeter designed to measure voltages up to 20V and having a resistance of 50,000 Ohms. Which of the two circuits below should be used?

a)How much current (in A) would flow through the headlight for Circuit a?

b)How much current (in A) would flow through the headlight for Circuit b?