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Search took 0.00 seconds. Search: Posts Made By: donald463
Forum: Electrics and electronics 01 January 2013, 20:17
Replies: 21
Views: 14,061
Posted By donald463
Use Ohms law. Current in circuit needs to be...

Use Ohms law. Current in circuit needs to be 900mA. Voltage worst case 13.5v

R=V/I =13.5/.9 = 15 ohms
Resistor needs to be capable of handling 15 watts and will get warm. May need heat sink....
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