1st Physics Quiz

If you rub fur and plastic together, the final charge on the plastic and fur is....

• Negative , positive

• Positive , negative

• Negative, negative

• Positive, positive

When you rub plastic and fur together, what will happen to plastic and fur?

• Electrons move from plastic to fur

• Electrons move from fur to plastic

• Protons move fron fur to plastic

• Protons move from plastic to fur

Two identical spheres have +18 p and -6 e respectively on each surface. If one sphere touches another sphere, the final charge on each sphere is ....

• -6 e

• +6p

• +12 p

• -12e

Two identical spheres have +18 p and -6 e respectively on each surface. If one sphere touches another sphere, What will happen to these spheres?

• ELectrons move from -6 e sphere to + 18 p sphere.

• Electrons move +18 p sphere to -6e sphere

• Protons move from -6 e sphere to + 18 p sphere.

• Protons move +18 p sphere to -6e sphere.

Two identical spheres have -36 e and +12 prespectively on each surface. If one sphere touches another sphere, What will happen to these spheres?

• The final charge on each sphere is -12 e.

• The final charge on each sphere is +12 p.

• The final charge on each sphere is -24 e.

• The final charge on each sphere is +24 p.

Two identical spheres have -36 e and +24 p prespectively on each surface. If one sphere touches another sphere, What will happen to these spheres?

• 24 electrons move from -36 esphere to +24p sphere.

• 24 electrons move from +24p esphere to -36e sphere.

• 30 electrons move from -36e sphere to +24p sphere.

• 30 electrons move from +24p esphere to -36e sphere.

A negatively charged rod is brought close to two identical spheres as shown on the picture. The final charge distribution on picture A and B is...

• Option A

• Option B

• Option C

• Option D

A negatively charged rod is brought close to two identical spheres as shown on the picture. If separate sphere A and B then remove the negative rod, the final charge distribution on sphere A and B is...

• Option A

• Option B

• Option C

• Option D

A positively charged rod is brought close to the cup without direct contact of an neutral electroscope as shown on the picture. The final condition of the leaves of the electroscope is...

• Option A

• Option B

• Option C

A positively charged rod is brought close to the cup without direct contact of an neutral electroscope as shown on the picture. The left side of the electroscope is connected to the ground. If you remove the ground, then remove the positively charged rod, the final condition of the leaves of the electroscope is...

• Option A

• Option B

• Option C