Electricidad

What is the term used to describe the opposition that a device or material offers to the flow of direct current?

• Resistance

• Capacitance

• Inductance

• Conductance

What is the unit of electric current?

• Ampere

• Volt

• Ohm

• Watt

Which of the following materials is a good conductor of electricity?

• Rubber

• Glass

• Copper

• Wood

Tags

NGSS.HS-PS2-5

What is the formula for calculating electrical power?

What is the main component of a battery that stores energy?

• Electrolyte

• Anode

• Cathode

• Separator

Which law states that the current through a conductor between two points is directly proportional to the voltage across the two points?

• Ohm's Law

• Faraday's Law

• Coulomb's Law

• Ampere's Law

What is the term for a material that does not allow electric current to flow easily?

• Conductor

• Insulator

• Semiconductor

• Resistor

What device is used to measure electric current?

• Voltmeter

• Ammeter

• Ohmmeter

• Wattmeter

What is the effect of increasing the resistance in a circuit on the current, assuming voltage is constant?

• Current increases

• Current decreases

• Current remains the same

• Current fluctuates

Which of the following is a renewable source of energy?

• Coal

• Natural Gas

• Solar Power

• Nuclear Power