AP Physics 2 Electric Current, Resistance, and Ohm's Law — practice questions
18 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice AP Physics 2 Electric Current, Resistance, and Ohm's Law in the app →Electric current is defined as the rate at which:The SI unit for electric current is the:The ampere is described as one coulomb per:The ampere is named for a physicist from which country?Direct current is defined as the flow of electric charge in:A circuit whose source varies periodically, particularly sinusoidally, is known as:The strength of the resistance in a circuit element depends on the element's:Macroscopic properties of materials, including resistivity, are said to depend on their:Combining the relationships of current to voltage and current to resistance gives:Because the SI unit for potential energy is the joule, power has units of:Lightbulbs are commonly rated in which unit?Fuses and circuit breakers are rated in which unit?Of the three expressions given for electric power, how many are valid for any circuit element?Two of the three electric power expressions are restricted because they can be used only for:A current of 3 amperes means charge passes a point at a rate of:Electric energy and electric power are connected by treating power as a rate of:A battery supplies a constant voltage, which makes the circuit it drives:Two wires of identical shape but different metals carry different currents at the same voltage because resisti