You are measuring the current in a circuit that is operated on an 18 V battery. The ammeter reads 40 mA. Later you notice the current has dropped to 20 mA. How much has the voltage changed? - Study24x7
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5 followers study24x7 18 Sep 2024 11:13 AM study24x7 study24x7

You are measuring the current in a circuit that is operated on an 18 V battery. The ammeter reads 40 mA. Later you notice the current has dropped to 20 mA. How much has the voltage changed?

A

9 V

B

900 mV

C

0 V

D

18 V

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