Qualification > Sciences
physics
ruby92:
i meant it is...typo :P :P too much physics
and its Q6 not 5 part a :)
astarmathsandphysics:
6a)Y is positively charged since drop must be repelled by Y and attracted by X to remain stationary. The electric force must balance gravity.
Is this the right question? V Simple
ruby92:
yes thnkx ;D
halosh92:
--- Quote from: ruby92 on March 26, 2010, 09:12:02 pm ---electricity question:
1.When a battery in a toy car delivers a current of 0.75A, the p.d across its terminals is 1.3 V. when the car's motion is reversed the current delivered by the battery and the p.d. across its terminals becomes 12A and o.80v respectively.
calculate for the battery
a)the emf
b)the internal resistance
2.physics oct nov 2005 q6 part A(explained in detail)
--- End quote ---
whats the answer to the first question though????????
astarmathsandphysics:
I am sure the elctricity question makes no sense.
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version