Two charges, one positive and the other negative, are initially 2 cm apart and are then pulled away from each other until they are 6 cm apart.The force between them is now smaller by a factor of
A) 
B) 3
C) 9
D) 27
Correct Answer:
Verified
Q24: The power rating of an electric motor
Q25: When a magnetized iron bar is strongly
Q29: The current in a 20-ohm electric heater
Q35: A charge of +Q attracts a charge
Q36: In a drawing of magnetic field lines,
Q38: A magnetic field does not interact with
Q42: The primary coil of a transformer has
Q44: Two 240-watt light bulbs are connected in
Q44: The primary coil of a transformer has
Q48: The primary coil of a transformer has
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents