Voltmeter is used to measure potential difference.. Voltmeter is connected in parallel with circuit elements because it is used to measure the... View Article
The S.I. unit of area is square metre or meter square which is written as m 2 . The International System of Units (SI) is the metric system used... View Article
A decomposition reaction where decomposition takes place in the presence of light is known as photochemical decomposition reaction. Decomposition... View Article
Electric potential is the electric potential energy per unit charge. A difference in electric potential gives rise to an electric field. Electric... View Article
Sea breeze blows during the day and the land heats up faster than the sea. The air on land becomes less dense (i.e.warmer) and rises so the... View Article
According to Newtonian mechanics, Mass is a quantitative measure of a body's inertia. Inertia is the type of resistance which is caused by change... View Article
A physical quantity which is neither vector nor scalar is known as tensor quantity. A tensor field has a tensor corresponding to each point... View Article
The forward voltage at which the current through the junction starts increasing rapidly, is called the knee voltage or cut-in voltage. The... View Article
A couple consists of two equal and opposite forces acting with two different but parallel lines of action. Moment of a force is dependent on the... View Article
Answer: Given parameters Initial velocity (u) = 0 Final velocity (v) = 40 km/h v = 40 × (5/18) v = 11.1111 m/s Time (t) = 10 minute t = 60... View Article
When no current is drawn from a cell, the potential difference between the terminals of the cell is called its electro-motive force (or... View Article
A resistor having a very low value of resistance connected in parallel with other resistor is caused shunt. The range of ammeter reading can be... View Article
The maximum focal length of eye lens is 2.5 cm. The distance between lens and retina is 2.5cm.Minimum focal length occur when you focus on images... View Article
By Using distance formula, d =√(x2 -x1)2 + (y2 - y1)2 let P = (x, y) , Q = (3, 6) and R = (-3, 4). distance between P and R =√(x + 3)2+... View Article
Quantization of charge implies that charge can assume only certain discrete values. That is to say the observed value of electric charge (q) of a... View Article
The correct answer is (d) Infinitely high A material whose internal electrical charges do not flow freely is an electrical insulator, making it... View Article
Focal length is the property of a spherical mirror. It does not depend on the light used. So, it is same for all lights. A mirror whose surface... View Article
Fundamental units are the units of the fundamental physical quantities in SI system which are not formed fro other units. There are a total of... View Article
Linear motion is also called rectilinear motion. It is a motion on a straight line in one-dimension. When the object travels along a straight... View Article