current electricity Lesson

5 Slides • 3 Questions

current electricity

Kircchhaff's rule

Introduction

Simple circuits
Complex circuits
Current rule
Voltage rule

Current rule

Algebraic sum of the currents at any junction of a circuit is zero
Law of conservation of electric charge
Current entering junction - +
Current leaving junction - _

Current rule

Voltage rule

The algebraic sum of the products of the current and resistance of each part of the circuit is equal to the total emf included in the circuit

Multiple Choice

Kirchhaff's first rule is also called voltage rule.

true

false

Multiple Choice

Kirchhoff's rule can be used to find ___________ and voltage in the circuit.

potential difference

energy

current

none of the above

Multiple Choice

What is the unit we use to measure electric current?

ampere (amp)

ohm

volt

newton

current electricity

Kircchhaff's rule

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