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Which of the following statements is/are CORRECT?
1) A system is defined as an object or collection of objects being studied.
2) Surroundings are defined as the entire universe,including the system.
3) In an endothermic reaction,heat is transferred from the system to the surroundings.
Overvoltage Protection
Electrical safety mechanisms designed to protect circuits from receiving voltages higher than their operating levels.
Zener Diodes
Semiconductor devices that allow current to flow in the forward direction like a typical diode, but can also allow it to flow in the reverse direction when the voltage is above a certain value.
Voltage Spikes
Sudden, temporary increases in voltage in an electrical circuit that can cause damage to electronic components and systems.
AC Leakage Test
A test procedure used to identify unwanted flow of current from the power lines into the grounding conductor of an electrical appliance or system.
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