Describe in A.C. geneator.

State the working principle of A.C. generator.

State the principle of A.C generator

Describe the following : (a) synapsis (b) bivalent (c) chiasmata

If a, b and c are in H.P., then the value of ((ac + ab - bc)(ab + bc - ac))/((abc)^(2)) is -

Describe briefly the following: (a) Origin of replication. (b). Bioreactors. (c). Downstream processing.

If a , b ,c are three distinct positive real numbers in G.P., then prove that c^2+2a b >3ac

In triangle ABC if the angles A,B and C be in A.P. then show that 2cos ((A-C)/2)=(a+c)/sqrt(a^2-ac+c^2)

A resistance 10 Omega a capacitor connected to an ammeter in series with an a.c. source marked 220V -50Hz. If the ammetr reading is 2A, then find capacitive reactance and capacitance.

The instantaneous value of emf and current in an A.C. circuit are; E=1.414sin(100πt− 4 π ​ ) , I=0.707sin(100πt) . The impedance of the circuit will be

In a triangle ABC, right angled at A, on the leg AC as diameter, semicircle is described. If a chord joins A with the point of intersection D of the hypotenuse and the semicircle, then the length of AC equals to