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A wire with a resistance 20Ω is drawn out so that its length become thrice its original length. The new resistance is :
02
Dec
A wire with a resistance 20Ω is drawn out so that its length become thrice its original length. The new resistance is : A wire with a resistance 20Ω is drawn out so that its length become thrice its original length. The new resistance is : December 2, 2020 Category: Arihant Physics by D.C Pandey [...]
A nichrome wire 50 cm long and one square millimetre cross- section carries a current of 4 A when connected to a 2 V storage battery. The resistivity of nichrome is
02
Dec
A nichrome wire 50 cm long and one square millimetre cross- section carries a current of 4 A when connected to a 2 V storage battery. The resistivity of nichrome is A nichrome wire 50 cm long and one square millimetre cross- section carries a current of 4 A when connected to a 2 V [...]
Two square metal plates (A) and (B) are of the same thickness and material. The side of (B) is twice that of (A). These are connected as shown in series. If the resistances of (A) and (B) are denoted by (RA) and (RB), then (RA/RB ) is?
02
Dec
Two square metal plates (A) and (B) are of the same thickness and material. The side of (B) is twice that of (A). These are connected as shown in series. If the resistances of (A) and (B) are denoted by (RA) and (RB), then (RA/RB ) is? A solid cylinder whose radius is R rotates [...]
The V−i graph for a conductor at temperatures T1 and T2 are as shown in the figure. (T2−T1) is proportional to.
02
Dec
The V−i graph for a conductor at temperatures T1 and T2 are as shown in the figure. (T2−T1) is proportional to. The V−i graph for a conductor at temperatures T1 and T2 are as shown in the figure. (T2−T1) is proportional to. December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - [...]
What is the drift velocity of electrons if the current flowing through a copper wire of 1 mm diameter is 1.1A? Assume that each atom of copper contributes one electron: (Given: density of Cu=9g/cm^3 and atomic weight of Cu=63)
02
Dec
What is the drift velocity of electrons if the current flowing through a copper wire of 1 mm diameter is 1.1A? Assume that each atom of copper contributes one electron: (Given: density of Cu=9g/cm^3 and atomic weight of Cu=63) A solid cylinder whose radius is R rotates with a constant angular velocity ω. The potential [...]
Mark correct option or options: A. In the absence of an electric field, electrons move in straight lines between collisions
02
Dec
Mark correct option or options: A. In the absence of an electric field, electrons move in straight lines between collisions electrons move in straight lines between collisions Mark correct option or options: A. In the absence of an electric field December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity [...]
The structure of H2O2 is (a) Planar (b) Non – planar (c) Spherical (d) Linear
02
Dec
The structure of H2O2 is (a) Planar (b) Non – planar (c) Spherical (d) Linear The structure of H2O2 is (a) Planar (b) Non - planar (c) Spherical (d) Linear December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In a regular octahedral molecule, MX6 , the number X – M – X bonds at 180 degree is (a) six (b) four (c0 three (d) two
02
Dec
In a regular octahedral molecule, MX6 , the number X – M – X bonds at 180 degree is (a) six (b) four (c0 three (d) two In a regular octahedral molecule MX6 the number X - M - X bonds at 180 degree is (a) six (b) four (c0 three (d) two December 2, [...]
In an octahedral structure , the pair of d orbitals involved in d^2sp^3 hybridization is
02
Dec
In an octahedral structure , the pair of d orbitals involved in d^2sp^3 hybridization is In an octahedral structure the pair of d orbitals involved in d^2sp^3 hybridization is December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following molecules has trigonal planar geometry (a) IF3 (b) PCL3 (c) NH3 (d) BF3
02
Dec
Which of the following molecules has trigonal planar geometry (a) IF3 (b) PCL3 (c) NH3 (d) BF3 Which of the following molecules has trigonal planar geometry (a) IF3 (b) PCL3 (c) NH3 (d) BF3 December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,