SPOT EF abidQ

Which component is NOT part of a simple DC circuit?

• Power source

• Transformer

• Switch

• Load

What happens in a short circuit?

• Current stops flowing

• Current bypasses the load

• Voltage becomes zero

• The circuit is open

What is the relationship described by Ohm’s Law?

• Current is directly proportional to voltage and inversely proportional to resistance

• Current is inversely proportional to voltage

• Resistance is directly proportional to voltage

• Resistance is inversely proportional to current

In a series circuit, if one resistor is disconnected, what happens?

• Other resistors continue to function

• The circuit becomes open and current stops

• The voltage doubles

• Resistance decreases

In a parallel circuit, what happens if one branch is disconnected?

• The entire circuit stops working

• Current continues to flow through other branches

• Voltage in all branches becomes zero

• Total resistance increases

What does Kirchhoff’s Voltage Law (KVL) state?

• The sum of all voltages in a closed loop is zero

• The sum of all currents at a junction is zero

• Voltage is inversely proportional to resistance

• Total resistance equals total voltage

What is the primary purpose of a Wheatstone Bridge?

• To measure unknown resistance with high precision

• To increase voltage

• To divide current equally

• To calculate power

What is the main purpose of a capacitor?

• To convert electrical energy into heat

• To store electrical energy in an electrostatic field

• To generate electricity

• To amplify current

What is the unit of capacitance?

• Coulomb

• Farad

• Volt

• Ohm

What are the two main types of capacitors?

• Fixed and Variable

• Electrolytic and Non-electrolytic

• Ceramic and Paper

• Series and Parallel