If a circuit’s current flow is too high, which of the following could be at fault? A. An open exists in the circuit. B. A short exists in the circuit. C. Unintended high resistance exists in the...

If a circuit’s current flow is too high, which of the following could be at fault?

A. An open exists in the circuit.

B. A short exists in the circuit.

C. Unintended high resistance exists in the circuit.

D. The circuit has a loose connection, causing an intermittent open.

A diode may be used for all except which of the following?

A. Switching current flow on and off

B. AC-to-DC rectification

C. Voltage spike suppression

D. Controlling current flow paths in circuits that share a common load