The magnetic field strength is directly proportional to the current flowing in the circuit. If an alternating current flows through the circuit,... View Article
Yes, when two magnets are brought close together, their magnetic fields interact with each other. As seen in the figure, the lines of North... View Article
Ohm’s law Equation tells us that the current in a circuit can be determined if the values of resistance and voltages are known. It should be... View Article
The three main characteristics of laser is that it is coherent, dierctional and monochromatic. Laser is a light of single wavelength or... View Article
If the resistance in the circuit obeys Ohm’s Law then the resistance is a constant. In the Ohm’s law equation, the variable parts of the equation... View Article
The power dissipated by the resistors connected in parallel combination is higher than the resistors connected in series combination at the same... View Article
Escape velocity is defined as the speed at which an object travels to break free from either the planet’s or moon’s gravity and leave without any... View Article
Majority of the induced electrostatic force is weak in nature, however, some electrostatic forces such as the one between an electron and a... View Article
Method 1: When the current and the voltage in a circuit are given: Calculate the resistance offered by circuit if 2 A of current flows through... View Article
The resistance of a wire can be calculated if the length of the wire, the cross-sectional area of the wire and the resistivity of the material... View Article
Yes, if the amount of damping is increased in a system, the period begins to get affected. This is because damping opposes the motion as a result... View Article
The electromagnetic waves in the electromagnetic spectrum are used in a wide range of applications: Radio waves are transmitted through air... View Article
Insulators or dielectrics in capacitors are used to insulate two metallic plates of the capacitor. When voltage is applied across the dielectric... View Article
Periodic motion is a repeating oscillation. The period T is the time for one oscillation and the number of oscillations per unit time is the... View Article
You can reduce the resistance in a circuit by the following methods: By adding a resistance in parallel Replacing resistance with a higher... View Article
Yes, permanent magnets produce their own magnetic field which is always present and it cannot be turned on or off. Permanent magnets cause force... View Article
When an electric field comes in contact with a magnetic field, electromagnetic waves are formed. The electric field and magnetic field of an... View Article
Biot-Savart’s law is an equation that gives the magnetic field produced due to a current carrying segment. To know the magnetic field produced... View Article
When a force is applied to a moving object, there is no deacceleration therefore, the linear speed remains constant. But, the velocity vector... View Article