What are common methods of circuit protection?

The choice highlighting circuit breakers, fuses, and ground fault circuit interrupters (GFCIs) accurately represents common methods of circuit protection.

Circuit breakers serve as switches that automatically interrupt the flow of electricity when a fault is detected, such as a short circuit or an overload. This prevents damage to the circuit and reduces the risk of fire or other hazards. Fuses are designed to melt and break the circuit when the current exceeds a certain level, providing a simple and effective means of protection. GFCIs specifically protect against ground faults, which can occur when current escapes to the ground, potentially causing electric shocks. They monitor the current balance between incoming and outgoing currents, cutting off the electricity supply if an imbalance is detected, thus enhancing safety in wet or damp locations.

Other choices do not primarily serve the function of circuit protection. Diodes, capacitors, and resistors are essential components in various electrical applications but are not specifically designed for protecting circuits. Transformers and inductors are used to change voltage levels or store energy, while relays, timers, and regulators perform different operational functions rather than focusing on circuit protection.