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Physics Review Question Unit: Electricity Year: 96 Question#: 25 Question: Two metal spheres having charges of +4 x 10-6C, and +2 x 10-5C, respectively are brought into contact and then separated. After separation the charge on each object is (1 ) 8 x 10-11C (2 ) 8 x 10-6C (3 ) 2.1 x 10-6C (4 ) 1.2 x 10-5C What is this question really asking? Explanation by: jARRETT SK [ Return to question menu ] Answer 1 8 x 10-11C INCORRECT When two masses are brought into contact , the charge on each mass is half the sum of the charge on the original two masses. return to top Answer 2 8 x 10-6C INCORRECT When two masses are brought into contact , the charge on each mass is half the sum of the charge on the original two masses. return to top Answer 3 2.1 x 10-6C INCORRECT When two masses are brought into contact , the charge on each mass is half the sum of the charge on the original two masses. return to top Answer 4 1.2 x 10-5C CORRECT When the charges on the two spheres are added, and the sum is divided by two, then the result equals 1.2 x 10-5C. return to top What's this question really asking? This question is asking what happens to the charges when two masses are brought together and then seperated. return to top |
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