# Recent questions tagged ratio

Voltage ratio

Turns ratio

Impedance ratio

Current ratio

Define: 1) voltage ratio, 2) current ratio, 3) transformation ratio of transformer.

What is transformation ratio?

The ratio of the width to the height of the picture frame is called as A) Rastar B) Aspect Ratio C) Length Ratio D) Efficiency

If the fault current is 6000 A, the relay plug setting is 150% and the CT ratio is 400/5, the plug setting multiplier will be

Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is

A dc chopper is fed from a constant voltage mains the duty ratio of chopper is progressively increased while the chopper feeds an RL load. The per unit current ripple would  (1) increase progressively  (2) decrease progressively  (3) decrease to a minimum value at α = 0.5 and then increase  (4) increase to a maximum value at α = 0.5 and then decrease

If Poisson's ratio of a resistance wire strain gauge is 1.8, then neglecting piezo-resistive effects, its Gauge factor is :  (A) 2.8 (B) 2.6 (C) 4.6 (D) 3.6

The ratio of full -load volt-amperes to short-circuit volt-amperes is equal to :

Specific energy consumption of an electric train is the ratio between (A) Specific energy output at driving wheels and efficiency of the traction motor (B) Specific energy output at driving wheels and efficiency of the transmission gear (C) Specific energy output of driving motor and efficiency of the driving wheels (D) Specific energy output at driving wheels and efficiency of the (motor + transmission gear)

Ratio of the rotor reactance X to the rotor resistance R for a two-phase servo motor (A) is equal to that of a normal induction motor (B) is less than that of a normal induction motor (C) is greater than that of a normal induction motor (D) may be less or greater than that of a normal induction motor

The Eb/V ratio of a d.c. motor is an indication of its?

The ratio of mass of proton to that of electron is nearly?

Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as?

The ratio of active power to apparent power is known as____ factor.

The ratio of limiting friction and normal reaction is known as?