Q. A capacitor holds 0.03 C of charge when fully charged by a 6V battery. To hold 2C of charge, voltage required would be 150V 100V 300V 400V Answer: 400V
Q. Charge on capacitor plates is directly proportional to current electric field intensity potential difference resistance Answer: potential difference
Charge on capacitor plates is directly proportional to Read More »
Q. If medium between two charges is air, then value of constant k in SI units will be 5 × 109 Nm²C-2 7 × 109 Nm²C-2 8 × 109 Nm²C-2 9 × 109 Nm²C-2 Answer: 9 × 109 Nm²C-2
If medium between two charges is air, then value of constant k in SI units will be Read More »
Q. Property of material due to which it attracts or repels other objects is friction velocity current charge Answer: charge
Property of material due to which it attracts or repels other objects is Read More »
Q. If F is force acting on test charge qo, electric field intensity E would be given by E = F – qo E = F/qo E = F + qo E = qo/F Answer: E = F/qo
If F is force acting on test charge qo, electric field intensity E would be given by Read More »
Q. If an electrons is allowed to move along the field in a non uniform electric field then it will follow Spiral path Straight line Curved path Circular path Answer: Straight line
Q. Selenium becomes a conductor in light so it behaves like Semiconductor Photodiode Light emitting diode Capacitor Answer: Photodiode
Selenium becomes a conductor in light so it behaves like Read More »
Q. Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become 1/4th of its original value 1/8th of its original value 4 times of its original value 8 times of its original value Answer: 4 times of its original value
Q. 1 pico farad (1pF) is equal to 1×10-9F 1×10-12F 1×10-6F 1×10-10F Answer: 1×10-12F
Q. Value of k in coulomb’s law depends upon magnitude of charges distance between charges both A and B medium between two charges Answer: medium between two charges
