Power Rating and Heat Sinking Components Quiz

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Questions and Answers

What is the purpose of a heat sink in electronic circuits?

Reduce the flow of electricity
Increase the surface area of the device connected to it (correct)
Act as a resistor to control current flow
Amplify the voltage output of the circuit

How is power rating measured for electronic components?

In watts (w) (correct)
In ohms (Ω)
In volts (V)
In amperes (A)

What is the function of thermal compound in electronic circuits?

Amplify the electrical current
Ensure a good thermal contact between the device and the heat sink (correct)
Reduce the power rating of components
Increase resistance in the circuit

What does P = I2 x R represent in electronic circuits?

Power calculation based on current and resistance (B) Signup and view all the answers

Thermal compound is used to ensure a good ______ contact between the device and the heat sink

thermal Signup and view all the answers

Heat sinks increase the surface area of the device to ______

dissipate Signup and view all the answers

P = E x I represents the formula for calculating power rating using ______ and current

voltage Signup and view all the answers

Heat sink compound is used to fill the gaps between two components with uneven ______

surfaces Signup and view all the answers

Match the following concepts with their descriptions:

Power Rating = Amount of heat the component can dissipate before damage occurs Heat Sinks = Increase the surface area of the device connected to it Thermal Compound = Ensure a good thermal contact between the device and the heat sink P = I2 x R = Formula for calculating power rating using current and resistance Signup and view all the answers

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