A circuit board houses on its surface 120 closely spaced logic chips, each dissipating 0.12 W. If the heat transfer from the back surface of the board is negligible, calculate (a) the amount of heat this circuit board (15 cm x 20 cm) dissipates during a 10-hour period, in kWh, and (b) the heat flux on the surface of the circuit board, in W/m2.
A circuit board houses on its surface 120 closely spaced logic chips, each dissipating 0.12 W. If the heat transfer from the back surface of the board is negligible, calculate (a) the amount of heat this circuit board (15 cm x 20 cm) dissipates during a 10-hour period, in kWh, and (b) the heat flux on the surface of the circuit board, in W/m2.
Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Chapter2: Measurement, Materials, And Safety
Section2.4: Precision Measurement
Problem 8RQ: ___________ is the process of attaching gage blocks to each other.
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A circuit board houses on its surface 120 closely spaced logic chips, each dissipating 0.12 W. If the heat transfer from the back surface of the board is negligible, calculate (a) the amount of heat this circuit board (15 cm x 20 cm) dissipates during a 10-hour period, in kWh, and (b) the heat flux on the surface of the circuit board, in W/m2.
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