According to Ohm's Law, what is the relationship between voltage, current, and resistance in an electrical circuit?

In Ohm's Law, if the resistance is doubled while the voltage remains constant, what happens to the current?

Using Ohm's Law, if a circuit has a voltage of 12 volts and a resistance of 4 ohms, what is the current flowing through the circuit?

If a circuit has a current of 5 amperes and a resistance of 10 ohms, what is the voltage according to Ohm's Law?

Which formula would you use to calculate power if you know the current and voltage in an electrical circuit?

What is the expression for power using resistance and current in an electrical circuit?

In an electrical circuit, which formula represents power using voltage and resistance?

Which of the following statements is true regarding the use of a voltage selector?

What type of voltage selector might you find on a dual-voltage appliance?

What is the threshold current in milliamps (mA) that can be considered dangerously high and potentially lethal when passing through the human body?

In the context of electrical safety, what does the term 'grounding' refer to?

What is the primary reason why older electrical systems are often considered more dangerous than modern ones?