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A device used to measure electric current in a circuit is called: A) VoltmeterB) AmmeterC) OhmmeterD) Galvanometer

Three resistors 6 Ω,3 Ω,6 \, \Omega, 3 \, \Omega,and 2 Ω2 \, \Omega are connected in parallel to a 12 V12 \, \text{V} battery. Calculate the total current supplied by the battery.

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

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

Two charges exert a force of FF on each other. If the distance between them is halved, the new force will be: A) 4F4FB) 2F2FC) F/2F/2D) F/4F/4

In a series circuit: A) The current is the same throughout the circuitB) The voltage is the same across all componentsC) The power is the same across all componentsD) The resistance is always constant

If a charge of 10 Coulombs flows through a conductor in 2 seconds, the current is: A) 20 AB) 5 AC) 10 AD) 2 A

The total resistance of two 6 Ω resistors connected in parallel is: A) 3 ΩB) 12 ΩC) 6 ΩD) 1 Ω

The potential difference between two points is: A) The work done in moving a unit charge between themB) The force experienced by a unit chargeC) The charge required to move between themD) The current flowing between them

Which of the following is true about conductors in electrostatic equilibrium? A) The electric field inside is non-zero.B) The electric field inside is zero.C) Charges accumulate uniformly on the surface.D) The electric field inside depends on the shape.