NDA Government Jobs Exams

Metal used to make wires for safety fuses must have -
(a) very low resistivity and high melting point
(b) high resistivity and low melting point
(c) low resistivity and low melting point
(d) high resistivity and high melting point

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NDA Other Question
Specific gravity of silver is 11 and specific gravity of iron is 8. Which one among the following is the
approximate relative density of silver with respect to iron ?
(a) 1.4 (b) 0.7 (c) 3.0 (d) 2.8 A positively charged particle projected towards west is deflected towards north by a magnetic field. The
direction of the magnetic field is -
(a) towards south (b) towards east
(c) in downward direction (d) in upward direction