2nd PUC Physics Series 2 December 3, 2020December 23, 2020wefru PUC Science 2nd Year Physics Series-2 quiz 1 Created on December 02, 2020 By wefru 2nd PUC Physics Series 2 TEST YOUR KNOWLEDGE OF SCIENCE 1 / 10 Q.11 Coulomb’s law in vector form can be written asF⃗ = (14πεn) (q1q2r2)r⃗ where ε0 is the permitivity of free space. The SI units of ε0 will be: N-1m-2C-2 Nm-2C2 N-1m-2C9. Nm-2C2 2 / 10 Q.12 The dimensional representation of cu will be : [MLT4 A2] [M-1L-3T4A2] [ML-2T ] None of these 3 / 10 Q.13 When placed in a uniform field, a dipole experiences: a net force a torque both a net force and torque neither a net force nor a torque 4 / 10 Q.14 A parrot comes and sits on a bare high power line. It will: experience a mild shock experience a strong shock. get killed instantaneously not be affected practically 5 / 10 Q.15 The SI units of electric dipole moment are: C Cm-1 Cm Nm-1 6 / 10 Q.16 If two conducting sphere are connected after charging separately then: Electrostatic energy sphere energy will remain conserved Electrostatic energy charges remains conserved Electrostatic energy energy and charge remains conserved None 7 / 10 17. A soap bubble is given a negative charge, then its radius: increases decreases remains unchanged may increase or decrease 8 / 10 18.In non-uniform electric field, electric dipole experiences: torque only torque as well as net force force only None of these 9 / 10 Q.19 An electron is sent in an electric field of magnitude 9.1 × 106NC-1. The acceleration produced in it is : 1.6 ms-2 1.6 × 1018ms-2 0 × 1018ms-2 0 10 / 10 20.A semicircular arc of radius r is charged uniformly and the charge per unit length is λ. The electric field at the centre is: λ2λε0r2 λ4πε0r λ22πε0r λ2πε0r Your score isThe average score is 20% LinkedIn Facebook VKontakte 0% Restart quiz