Application of universal law of gravitation It uses this to calculate the force or pull of gravity of the planets... View Article
Voltmeter is the device used for measuring potential differences. Voltmeter is always connected in parallel to the resistance. The needle... View Article
Answer: (c) 60 vibrations per minute Hertz is the unit for frequency. Frequency is the number of cycles undergone during one... View Article
Multiple reflection of sound is the sound which is reflected more than once. During reflection, sound waves obey the laws... View Article
The strength of a force is expressed by its magnitude. The magnitude of a force is expressed in the SI... View Article
A rain gauge (also known as an udometer, pluviometer, or an ombrometer) is a type of instrument used by meteorologists... View Article
In a series combination the electric components are connected end to end along a same line or ;when two or... View Article
Voltmeter is used to measure potential difference.. Voltmeter is connected in parallel with circuit elements because it is used to... View Article
The S.I. unit of area is square metre or meter square which is written as m 2 . The International... View Article
A decomposition reaction where decomposition takes place in the presence of light is known as photochemical decomposition reaction. Decomposition of... View Article
Electric potential is the electric potential energy per unit charge. A difference in electric potential gives rise to an electric... View Article
Sea breeze blows during the day and the land heats up faster than the sea. The air on land becomes... View Article
According to Newtonian mechanics, Mass is a quantitative measure of a body’s inertia. Inertia is the type of resistance which... View Article
A “Residual Current Device” (RCD) is the device that breaks an electrical circuit quickly. Thus, by breaking electrical circuit it... View Article
A physical quantity which is neither vector nor scalar is known as tensor quantity. A tensor field has a tensor... View Article
The forward voltage at which the current through the junction starts increasing rapidly, is called the knee voltage or cut-in... View Article
A couple consists of two equal and opposite forces acting with two different but parallel lines of action. Moment of... View Article
Answer: Given parameters Initial velocity (u) = 0 Final velocity (v) = 40 km/h v = 40 × (5/18) v = 11.1111... View Article
When no current is drawn from a cell, the potential difference between the terminals of the cell is called its... View Article
A resistor having a very low value of resistance connected in parallel with other resistor is caused shunt. The range... View Article
