Flashcards in Ohm's Law - T5D Deck (12):

1

## What formula is used to calculate current in a circuit?

### Current (I) equals voltage (E) divided by resistance (R)

2

## What formula is used to calculate voltage in a circuit?

###

Voltage (E) equals current (I) multiplied by resistance (R)

3

## What formula is used to calculate resistance in a circuit?

### Resistance (R) equals voltage (E) divided by current (I)

4

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

### 30 ohms

5

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

### 8 ohms

6

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

### 3 ohms

7

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

### 1.5 amperes

8

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

### 2 amperes

9

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

### 10 amperes

10

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

### 1 volt

11

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

### 10 volts

12