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VCE Stuff => VCE Science => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Physics => Topic started by: DoubleZo7 on January 28, 2019, 12:18:15 pm

Title: 1/2 Electricity Question
Post by: DoubleZo7 on January 28, 2019, 12:18:15 pm
Hello
Could someone please help me with this question?
The potential difference across a buzzer is found to be 3.9 V. The current flowing through it is 450 mA. How much energy is lost by this charge every 30 seconds?
thank-you
Title: Re: 1/2 Electricity Question
Post by: sweetcheeks on January 28, 2019, 01:09:27 pm
Do you have any ideas on how to solve the question? I suggest looking to the various units that you have and seeing if there is a formula which utilises them.