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Two resistors are connected in series across an 18V supply and a current of 5A ?ows.
If one of the resistors has a value of 2.4Ω determine
(a) the value of the other resistor and
(b) the p.d. across the 2.4 Ω resistor.
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a) Three charges, every equal to 1 micro coulomb, are placed at the three corners of a square of side 1 m. Find the electric field at the fourth corner. b) Determine the electri
Tin: Atomic number 50 Symbol Sn Atomic weight 118.69 Discovery Known since ancient
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explain compound microscope
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