A galvanometer is used to: A) Measure very small currentsB) Measure resistanceC) Measure voltage in a circuitD) Generate electric current

A voltmeter is used to measure: A) Electric currentB) Voltage across a componentC) Resistance of a componentD) Power of the circuit

If a current of 2 A flows through a resistor of 5 Ω, the potential difference across the resistor is: A) 10 VB) 5 VC) 2.5 VD) 1 V

The resistance of a conductor depends on: A) Its length and cross-sectional areaB) The temperature of the conductorC) The material of the conductorD) All of the above

Kirchhoff’s voltage law (KVL) states that: A) The current is proportional to the voltageB) The total voltage in a loop is equal to zeroC) The resistance is inversely proportional to the currentD) The power is conserved across all circuit elements

A voltmeter should always be connected: A) In series with the componentB) In parallel with the componentC) At the power sourceD) At the ground

A conductor has a resistance of 5 Ω5 \, \Omega, a length of 2 m2 \, \text{m}, and a cross-sectional area of 0.005 m20.005 \, \text{m}^2. Calculate its resistivity.

The electric field at a point in space is represented by: A) The density of equipotential linesB) The slope of the potential graphC) The product of potential and chargeD) The sum of all charges in the field

A resistor of 20 Ω is connected to a battery with a voltage of 10 V. The current in the circuit is: A) 2 AB) 0.5 AC) 10 AD) 5 A

Which of the following is the correct formula for Ohm’s Law? A) I=VRI = VRB) R=VIR = VIC) V=IRV = IRD) P=VIP = VI