oooo29 Asked: December 2022 4.The electrical resistivity of a thin lead wire and a thick lead rod are respectively 1 2 . Thena) 1 > 2 b) 2 >
oooo29 Asked: December 2022 A cell has a potential differene of 6 V in an open circuit , but it falls to 4V when a current
oooo29 Asked: December 2022 if two capacitors of capacitance 2f and 4f are connected in parallel the effective capacitance of the system is a6f b 2f c
oooo29 Asked: December 2022 7when the angle of orientation 32 the value of induced emf is given by a0 b c d 0
oooo29 Asked: December 2022 6cyclotron cannot accelerateaelectron b alpha particles c proton d deuteron
oooo29 Asked: December 2022 5the magnetic susceptibility is negative foraferromagnetic materials only b paramagnetic materials onlycdiamagnetic materials only d dia and ferromagnetic materials
oooo29 Asked: December 2022 1.If voltage applied on a capacitor is increased from V to 2V, choose the correct conclusiona)Q remains the same, C
oooo29 Asked: December 2022 8transformer works onaac only b dc only c both ac and dcd ac more effectively than dc
oooo29 Asked: December 2022 3.If a wire of resistance R is stretched to twice its original length, the new resistance of the wire will bea)2R b) 2c) 4R d) 4
oooo29 Asked: December 2022 the fraction of total volume occupied by atoms in simple cubic is a b c d