Two straight wires each 10cm long are parallel to one another and seperated by 2 cm.
Two straight wires each 10 cm long are parallel to one another and seperated by 2 cm. When the current…
7 years ago
JK2013
The magnetic field at a point on the axis of a long solenoid having 5 turns per cm
The magnetic field at a point on the axis of a long solenoid having 5 turns per cm length when…
7 years ago
A long straight wire is carrying a current of 12 A. The magnetic field at a distance
A long straight wire is carrying a current of 12 A. The magnetic field at a distance of 8 cm…
7 years ago
The horizontal and vertical components of earth’s magnetic field at a place
The horizontal and vertical components of earth's magnetic field at a place are 0.3 G and 0.52 G. The earth's…
7 years ago
The distance of the moon form the earth is 3.8×10⁵ km. Supposing that the eye
The distance of the moon form the earth is 3.8x10⁵ km. Supposing that the eye is most sensitive to the…
7 years ago
A person has a minimum distance of distinct vision as 50 cm. The power of lenses
A person has a minimum distance of distinct vision as 50 cm. The power of lenses required to read a…
7 years ago
When an object is placed 40cm from a diverging lens, its virtual image is formed 20 cm
When an object is placed 40cm from a diverging lens, its virtual image is formed 20 cm from the lens.…
7 years ago
An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from
An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm…
7 years ago
At place on earth, the vertical component of earth’s magnetic field is √3 times
At place on earth, the vertical component of earth's magnetic field is √3 times its horizontal component. The angle of…
7 years ago
Two identical capacitors are first connected in series and then in parallel.
Two identical capacitors are first connected in series and then in parallel. The ratio of equivalent capacitance is Options (a)…
7 years ago