A current of 5 A flows through a wire for 10 s. If the potential difference across the wire is 50 V, how much energy is gained by the total charge flowing through the wire in this time?
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10 amps times 15 volts is 150 watts. the 10 seconds is 10/3600 of an hour. so 150*10/3600 is the result. watts x hours. 0.417 watt-hours.
If you want joules in a period of 10 seconds…a watt is a joule/second, so over 10 seconds you have 150x10 joules built up.
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In mathematics, a rational number is a number such as −3/7 that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Every integer is a rational number: for example, 5 = 5/1.
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