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Intro to Electric Charge Basics

1. Objects can become charged through friction, contact, or induction. Charging by friction occurs when two materials are rubbed together, transferring electrons between them. Charging by contact involves a charged object transferring charge to a neutral object they touch. Charging by induction happens when a charged object induces a separation of charge in a neutral object without direct contact. 2. A charged object indicates an imbalance of electric charge, either an excess or deficit of electrons. The intensity of the electric force exerted by the object depends on the amount of its charge. Electric fields transmit the force of a charge through space. A positively charged object produces an electric field, and vice versa. 3. Charging by induction can charge neutral

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272 views2 pages

Intro to Electric Charge Basics

1. Objects can become charged through friction, contact, or induction. Charging by friction occurs when two materials are rubbed together, transferring electrons between them. Charging by contact involves a charged object transferring charge to a neutral object they touch. Charging by induction happens when a charged object induces a separation of charge in a neutral object without direct contact. 2. A charged object indicates an imbalance of electric charge, either an excess or deficit of electrons. The intensity of the electric force exerted by the object depends on the amount of its charge. Electric fields transmit the force of a charge through space. A positively charged object produces an electric field, and vice versa. 3. Charging by induction can charge neutral

Uploaded by

mrnejoeygu
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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SNC 1D Date: ________________

Charging an Object
Recall: Forming an electric charge
• Object has an excess of electrons = _____________
• Object has a loss of electrons = _______________
• Object that has the same # of protons and electrons = _____________

3 ways of transferring electric charges (or electrons):


1) _____________________
2) ______________________
3) ______________________

1. Charging by Friction:
 Objects made of ____________ types of matter are rubbed
together; this produces a static net _______ on each object.
 Recall: Electrostatic Series
 Matter that has a _________ affinity for electrons will
_______ electrons and become ___________
 Matter that has a __________ affinity for electrons will
_______ electrons and become ______________

2. Charging by Contact:
 Charging by contact happens when a ____________ object touches a __________ object.
 Electrons will _______ in attempts to ____________ the charges (spread out) – thus will
move ____________ the object has the _______________________________________
 This happens ________ - can be surprising or painful
 It can even ‘________’ the gap prior to full contact ZAP!
 The result is an ________________________!
 The charged object acquires the _____________________________________
__________________________________________; the total charge is _________
SNC 1D Date: ________________
Charges and Electric Fields:
A charge on an object indicates _______________________
_____________________________________________
• The intensity of the force depends on the ____________ of
charges on the object.
• The _________ diminishes with distance, just like gravity.
Electric Fields - The ________ felt by the objects around a
charged body is transmitted by an _________ ________.
• It is a property of the ________ around the charge.
• A __________ charge produces a __________ field, and vice versa.
• The forces of a field are transmitted at the ______________________.

3. Charging by Induction:
• A ___________ object can transfer a charge to a neutral object
__________________________________
• Only ______________ can be charged in the induction process
• The ___________ __________ of the charged object forces the _____________ of neutral object to
___________.
• If the field is ______________, the electrons _____________.
• If the field is _____________, the electrons ______________.
• The result: _______________________________________________________
• If there is a ____________, electrons can move _________ or _______ of the object being
charged - the balance is changed and the object is now ___________ - An _________________
charge to originally charged object.

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