What formula is used to calculate current in a circuit?

What formula is used to calculate voltage in a circuit?

What formula is used to calculate resistance in a circuit?

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

What is the current through a 100-ohm resistor connected across 200 volts?

What is the current through a 24-ohm resistor connected across 240 volts?

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

In which type of circuit is the current always the same through all components?

In which type of circuit is the voltage always the same across all components?