Use Ohm’s Law to calculate: A 12V power supply is connected to a circuit that has a total resistance of 400Ω. What is the value of the current passing through the circuit?

Use Ohm’s Law to calculate: A power supply is set to an unknown voltage. The current through the circuit is 4A, and the total resistance of the circuit is 30Ω. Calculate the voltage output of the power supply.

What is a solder made of?

Use Ohm’s Law to calculate: A 9V power supply is connected to a circuit that has a total resistance of 1800Ω. What is the value of the current passing through the circuit?

A 36V power supply is connected to a circuit that has a total resistance of 3kΩ. What is the value of the current passing through the circuit?

Use Ohm’s Law to calculate: An unknown resistor in a simple circuit is connected to a 3V power supply. The total current flowing through the circuit is 60mA. What is the resistance in the circuit?

A battery has what type of current?

In a turbine generator, electrical energy is produced from ___.

Use Power Law to calculate: A light bulb is rated at 50 Watts. It is connected to a 100V power supply. What is the current flowing through it?

The United States power grid has which type of current?

Which type of electrical current is used in flashlights?

Use Power Law to calculate: A battery has a stored capacity of 3600 watt-hours. If this is a 12-volt battery, how many amp-hours are available at 100% charge?

In electronics, “LED” is an electronic abbreviation for ______.

Which order accurately represents the primary sources of electrical energy in the United States by order of the greatest consumption to the least consumption?

Invented in 1947, this main component in all modern electrical devices has diminished in size over time.

Electric wires normally:

A power supply is set to an unknown voltage. The current through the circuit is 6A and the total resistance of the circuit is 30Ω. Calculate the voltage output of the power supply.

Which of the following would be considered a fault in a circuit?

Electric motors normally ______.

The unit of storage for capacitance is:

The invention of the transistor replaced what previously used electrical component?

The positively charged part of an atom is a (an):

Opposite charges:

What happens to the current-carrying ability of a wire when temperature increases?

Like charges:

Using standard resistor color code: A four-band resistor has the following color codes: Red, Yellow, Red, Gold. What is the resistance for this resistor?

A device that uses a chemical reaction between metals and acid to produce or store an electric charge is a:

When there is an electric current passing through a wire, the particles moving are:

The device used for measuring potential difference is known as:

100 Ohm, 1k Ohm and 30 Ohm resistors are connected in series. What is the total resistance?

Micro-hydro systems are used to:

A DC circuit, wired in series, contains a small computer fan. If the measured current through the circuit is 2 milliamps and there is a power source of 12V, how much power is the fan using?

Two 15mF capacitors are connected in parallel. What is their total capacitance?

The unit of measurement for current is _____.

A 2kΩ resistor and a 4kΩ resistor are connected in parallel. What is their total resistance?

The unit of measurement for voltage is ______.

The unit of measurement for capacitance is ______.

The unit of measurement for resistance is ______.

What is the name of the device that provides overcurrent protection in an electrical circuit?

300Ω, 1kΩ, and 2kΩ resistors are connected in series. What is their total resistance?

Three 220Ω resistors are connected in series. What is their total resistance?

What is the term for an electrical circuit that has more than one (1) path of current flow?

How does alternating current (AC) differ from direct current (DC)?

An alternator produces which type of current?

A _____ is a passive two-terminal electrical component that stores potential energy in an electric field.

This device allows the flow of electricity only in one direction.

An instrument which detects electric current is known as a(n):

A common abbreviation for a diode that emits light is:

What is the term for an electrical circuit that has only one (1) path of current flow?