Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
The power dissipated at the load will be .020 * 5 = 0.1 watt. The power dissipated by the regulator will be 12 - 5 = 7 volts * .020 amp = 0.14 watt. Total power will be 0.1 watt + 0.14 watt = 0.24 watt. This is the same as 12 volts * .020 amp = 0.240 watt which is the total power. The load dissipates some and the regulator dissipates some.
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