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What will happen to a negatively charged rod touches a neutral electroscope?
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When a negatively charged object touches a neutral object does the neutral object gain or lose electrons or protons?
It gains electrons. So if it gains electrons, then the neutral object becomes negatively charged as well.
Why must a sphere rod and leaves of an electroscope be a conductor?
When a negatively charged rod touches the sphere of the electroscope, negative sharge spreads throughout the metal. Since the leaves are both negatively charged, the free ends repel and move away from each other. When a positvely rod touchs the sphere, negative charges move toward the sphere, causing the leaves to be positively charged. hope this helps :)
Why do the leaves of an electroscope spead apart when a charged object touches the metal knob?
The charged object charges both leaves of the electroscope with like charges and like charges repel.
Why do leaves of gold leaf electroscope expand when a charged body touches it?
They both get charged with the same polarity, and therefore repel each other.
How do objects become negatively charged using the contact method?
when a negatvely charged object touches a neutrally charged object electrons move to the neutraly charged object making it negativly charged!
When a negatively charged object touches a neutral object does the neutral object gain or lose electrons or protons?
It gains electrons. So if it gains electrons, then the neutral object becomes negatively charged as well.
Why must a sphere rod and leaves of an electroscope be a conductor?
When a negatively charged rod touches the sphere of the electroscope, negative sharge spreads throughout the metal. Since the leaves are both negatively charged, the free ends repel and move away from each other. When a positvely rod touchs the sphere, negative charges move toward the sphere, causing the leaves to be positively charged. hope this helps :)
Why do the leaves of an electroscope spead apart when a charged object touches the metal knob?
The charged object charges both leaves of the electroscope with like charges and like charges repel.
Why do the leaves of an electroscope repel each other when a charged object touches a metal knob?
Because when the charged object is say, negatively charged, the electrons in the electroscope want to get as far away as possible from the negative object because "like" charges REPEL. so when the electrons in the electroscope move to the leaves , they now are both negative and "like" charges so now the leaves want to get away from each other as well and that's why they separate.
Why do leaves of gold leaf electroscope expand when a charged body touches it?
They both get charged with the same polarity, and therefore repel each other.
If a negatively charged polyethylene strip touches a neutral pith ball what charge will it have?
the pith ball takes on a negative charge also, the charge transfers to the pith ball from the strip
Why do the leaves of an electroscope repel each other when a charged object touches the knob?
Because when the charged object is say, negatively charged, the electrons in the electroscope want to get as far away as possible from the negative object because "like" charges REPEL. so when the electrons in the electroscope move to the leaves , they now are both negative and "like" charges so now the leaves want to get away from each other as well and that's why they separate.
How do objects become negatively charged using the contact method?
when a negatvely charged object touches a neutrally charged object electrons move to the neutraly charged object making it negativly charged!
Would a negatively charged balloon stick to a metal rod?
No. It is not possible. Because as soon as balloon touches the metal charges would be conducted.
What kind of charge the electroscope can detect?
The sphere of an electroscope is always neutral at first. Let's say a negative ebonite rod is brought close but not touching the sphere. (The entire electroscope is neutral). The electrons in the electroscope will want to repell the electrons in the rod so the electrons in the electroscope move down into the 2 leaves and then repell because there is a high concentration of negatives. When the ebonite rod is removed, the leaves go back to their straight position. The electroscope is always neutral but only a charge distibution occured. The number of protons and electrons remain the same. However if a charged rod touches the sphere then the electroscope will be charged because it a conductor and the charge from the rod transfers to the electroscope because the rod's caharges want to attarct to the electroscope's opposite charges. This is called charging by contact.
What are some examples of charging by contact?
When a charged object touches another object. Electrons can be transferred through friction. Electrons can also be transferred through contact and conduction. You can charge a neutral object by contact with a charged object. Charging by contact happens when electrons move from one object to a neutral object.
What happens when you bring a negatively charged rod near a piece of metal.?
protons in the metal move toward the rod.
