Which of the following materials is a good conductor of electricity? A) RubberB) CopperC) WoodD) Glass
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A device used to measure electric current in a circuit is ca…
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 \,…
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…
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…
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 distan…
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 t…
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 se…
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 paral…
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…
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