1) Which of the following is the primary function of a circuit breaker? a) To provide constant voltage b) To prevent electric shock c) To interrupt the current flow in case of overload or short circuit d) To regulate the power distribution in a system 2) If a circuit breaker trips frequently even when the load does not exceed its rated capacity, which of the following could be the most likely cause? a) A faulty circuit breaker b) A stable power supply c) Proper grounding of the circuit d) A perfect connection to all electrical devices

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