1
NDA General Ability 3 September 2023
+4
-1.33
Which of the following arrangement of resistors offers minimum effective resistance between points X and Y?
A
B
C
D
2
NDA General Ability 3 September 2023
+4
-1.33
What will happen if a collection of positive and negative charges are passed at a high speed through a magnetic field which is perpendicular to the direction of motion of the charges? (Assume that both kind of charges are NOT going to recombine)
A
Both kind of charges will stop moving
B
Positive charges and negative charges will separate out
C
Positive charges will stop but negative charges will continue moving uninterrupted
D
Both kind of charges will keep moving uninterrupted
3
NDA General Ability 3 September 2023
+4
-1.33
The motion of a particle of mass m is described by the relation, y = ut - 1⁄2 gt2, where u is the initial velocity of the particle. The force acting on the particle is
A
$F = m (\frac{du}{dt})$
B
F = mg
C
$F = m (\frac{dy}{dt})$
D
F = - mg
4
NDA General Ability 3 September 2023
+4
-1.33
A block of wood 40 cm × 20 cm × 10 cm) is kept on a tabletop in three different positions: (a) with its side of dimensions 20 cm × 10 cm; (b) with its side of dimensions 10 cm × 40 cm; and (c) with its side of dimensions 40 cm × 20 cm. The pressure exerted by the wooden block on the tabletop in these positions is represented by PA, PB and Pc, respectively. The pressure follows the trend
A
PA > PB > Pc
B
PA < PB < Pc
C
PA = PB = Pc
D
PA < PB = Pc
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