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If a substance is a weak conductor due to the presence of free electrons, then what is it known as ? (a) Insulator (b) Resistor (c) Reactor (d) Capacitor
A number of two digits has 3 for its units digit and sum of the digits is 1/7 of the number itself. The number is (1) 93 (2) 63 (3) 73 (4) 43
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Dear Sir/Madam, Please send RRB of Ranchi Ticket Examiner/ Ticket Collector/Accounts Clerk/Junior clerk cum typist previous years question papers & syllabus.
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An A.C. supply cannot be used for (a) Heating (b) Electroplating (c) Lighting (d) Welding
A short initializing programme of a P.C. is called (1) Main programme (2) Sub-routine (3) Boot programme (4) Branch
To demonstrate the phenomena of interference, we require (1) Two sources which emit radiation of the same frequency (2) Two sources which emit radiation of nearly the same frequency (3) Two sources which emit radiation of the same frequency and have a definite phase relationship (4) Two sources which emit radiation of different wavelengths
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Who is traditionally regarded as the author of ?Ilidad?? (1) Homer (2) Dante (3) Sophocles (4) Virgil
Two observations for a length are found to be 1.5 cm and 1.50 cm. Then (a) The two are identical (b) The first has greater accuracy (c) The second has greater accuracy (d) Zero in the second has no relevance