WorksheetsPhysics Test 1
Total questions: 15
Worksheet time: 21mins
The net force due to different charges around a single charge can be determined using superposition principle. True or False?
True
False
According to Coulomb's Law, The greater the separation distance between two charges the greater the magnitude of the electric force. True or False?
True
False
Coulomb's Law states that the electric force is directly proportional to the product of the two charges and inversely proportional to the distance between them. True or False?
True
False
not enough information
Which of the following charges is the best example of 'Charged is Quantized'?
2.1nC
3.0µC
2.75µC
3333.1µC
The mass of a single electron is equal to 9.109x10-31C. True or False?
True
False
The separation distance between two charges is equal to r=√(k.(q1q2/Fe)). True of False
True
False
Electric field is directly proportional to the charge and inversely proportional to the magnitude of electric force. True or False?
True
False
The electric field lines for a positive charge is always directed away from the charge. True or False?
True
False
Electric force is also equal to the electric field multiply with a charge. True or False?
True
False
The S.I. unit for electric field is__________?
nC
μC
n/C
N/m
none of the above
How can a neutral object become charged?
by being dipped in water
by being stuck to the desk with tape
by allowing gravity to work on it
by having electrons added or removed
Based on the arrangement of the electric field lines in the diagram, what are the charges?
both charges are the same
the charges are opposite
they are neutral; no charge
Which diagram correctly shows the electric field around a negative charge?
A
B
they are both positive
Which diagram correctly shows the field lines between two like charges?
A
B
Both
Neither
Three charges, each of value Q, are placed at the vertex of an equilateral triangle. A fourth charge q is placed at the centre of the triangle. If the charges remains stationery then, q = ______
Q/√2
−Q/√3
−Q/√2
Q/√3
