Engineering Board Exam Reviewer · Ohm's Law · medium

What is the current through a 33 k resistor connected across a 9 V battery?

  1. 409.1, A
  2. 136.4, A
  3. 272.7, A
  4. 818.2, A

Answer

C. 272.7, A

Solution

I=V/R=9/33000=0.2727 mA=272.7, A.

More Ohm's Law questions

  1. A voltmeter reads 8.4 V across a resistor and an ammeter in series reads 42 mA. What is the resistance?
  2. A 12 V battery with internal resistance 0.4, is connected to a 5.6, load. What current flows?
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  5. The voltage across a resistor is tripled and, at the same time, its resistance is halved. By what factor does the current change?
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  7. In the circuit shown, the source is 36 V and the resistor is 9, . What does the ammeter read?
  8. In the circuit shown, the source is 12 V and the resistor is 4, . What does the ammeter read?
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