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Science Review Need Help?
I have a Test Tomorrow and i don't get these question and don't say that your a grade 9 im smarter then you because i am a Grade 9 too but i didn't did these thing about 3 week now.Just to let you know this is about ""Ohm's Law describes the relationship of current,Voltage and resistance""
2.In a battery what form of energy is converted into electric potential energy.
3.what is the relationship of electric potential energy,change and potential difference(voltage)
4.what material are needed to produce an electro chemical cell?
7/8.what is the purpose of voltmeter and ammeter
Thats All Please Help me 
.Also if you need help answer my question or ask me for some help
2. Chemical energy
3. Potential energy is the total voltage that the source can exert, and potential difference is the voltage dropped across a load
4. Just google a battery
7/8 A voltmeter measures the voltage dropped across a circuit(or a branch or load) the ammeter measures the current in the circuit (or a branch or load)
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