Class X

 If a particle moves in such a way that its angular position changes relative to reference axis, it is said to have
  1. Angular displacement
  2. Angular momentum
  3. Angular acceleration
  4. Angular speed
 Mass of 700 N man moving in car at 66 km h-1 is
  1. 70 kg
  2. 100 kg
  3. Zero
  4. Infinite
Body having weight 50 kg turning in a circle at 5 m s-1, if radius of circle is 5 m, force exerted on body to hold it in circular path is
  1. 200 N
  2. 250 N
  3. 450 N
  4. 300 N
Gate whose output is 0 only when inputs are different is called
  1. XOR
  2. XNOR
  3. NOR
  4. NAND
Device that is used to store charge, is named as
  1. Capacitor
  2. Resistor
  3. Transistor
  4. Diode
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