Which of the following instruments is correctly matched with its function?
I) Voltmeter - Measures potential differenceÂ
II) Ammeter - Measures electric currentÂ
III) Meter Bridge - Measures unknown resistanceÂ
A voltmeter measures electrical potential difference, an ammeter measures electric current, and a meter bridge is used to find unknown resistance in a circuit.
a = x(sin A+ cos A) and d = y (sin A – cos A) then find (a/x)2 + (d/y)2Â
If sin(x-y) = 1  and cos(x+y) = 1 /√2  then what is measure of angle x.
The angle of depression of two ships from the top of a light house are 45º and 30º. if the ships are 120m on the opposite sides of li...
if cot x- tan x=7 then what is the value of cot x + tan x=?
If P, Q, R, S are the vertex of a cyclic quadrilateral. Find the value of
`1/sec p` +`1/sec q` +`1/sec r` +`1/sec s`
...Two points P and Q are at the distance of x and y (where y > x) respectively from the base of a building and on a straight line. If the angles of elevat...
If (sinx + siny) = a and (cosx + cosy) = b, then find the value of (sinx siny + cosx cosy).
[A] (a²+b²-2)/ 2
[B] (a2-b2<...
