Question
A 0.0015 C amount of charge is produced on a Van der Graaf with 1,025 J of energy. A spark of this charge is produced
A 0.0015 C amount of charge is produced on a Van der Graaf with 1,025 J of energy. A spark of this charge is produced in 0.001 s. What is the resistance of the air gap of the spark? (Voltage can be calculated by using energy divided by charge.)
How much power is used by a contact lens heating unit that draws 0.08 A of current from a 194 V line?
Valerie's 170 W electric rollers are plugged into a 180 V line in her bedroom. What is the resistance of the rollers when they are heated?
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Physics for Scientists and Engineers A Strategic Approach with Modern Physics
Authors: Randall D. Knight
4th edition
978-0134092508, 134092503, 133942651, 978-0133942651
