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If you want to measure a current greater than the full scale deflection of the constructed ammeter in this case should the resistance in parallel with the galvanometer be increased or decreased?
A: the resistance should be decreased to 1/2 its value for half scale reading or use any ratio [ decrease] to obtain a correct reading.
Why it is called half deflection method?
The half deflection method is called so because it involves measuring the deflection of a beam or structure at a midpoint, typically at half the span of the element. This approach allows engineers to evaluate the structural behavior and performance under load conditions by analyzing the deflection at this critical point. The term "half" signifies the specific location where the deflection is observed, which is crucial for calculating bending moments and ensuring structural integrity.
Is spring constant doubled if a spring is cut into two parts and if yes then why?
if f is applied on L length sprig it will deflect by x distance. When spring is L/2 deflection is also x/2 for same force f.. and K=F/deflection. there for k is inversaly proptional to deflection .. when deflection is half K is double.
If the length of a copper wire is reduced by half then the resistance of the wire will be?
The resistance of a wire is directly proportional to its length, so if the length is reduced by half, the resistance will also be reduced by half.
What are the adjustment specifications for the primary chain on an 05 ultra classic?
half inch of upper chain deflection
What is alternator belt deflection on Mazda Protege 5?
less than half an inch along the longest stretch
What method uses half the fat or flour?
one of them is the creaming method
What happens to the resistance of a conductor when the length of the conductor is reduced to half?
If the length of the conductor is halved, the resistance of the conductor also decreases by half. This is because resistance is directly proportional to the length of the conductor. Shortening the length leads to fewer collisions between electrons and reduces the overall resistance.
Split-half method for testing reliability?
advantages of split half reliability
How does resistance after current?
Assuming you are asking "How does resistance altercurrent?", then the answer is that, for a given value of potential difference, the current is inversely-proportional to the resistance. E.g. doubling the resistance will reduce the current by half.
What happens to the resistance as the area increases?
Double the area means half the resistance. Resistance = resistivity times length / area. Resistivity is a property of the material only.
How do you measure ac voltage by using galvanometer?
First rectify the voltage signal then pass it through galvanometer. its reading will give the rms value, so multipy it with form factor to get amplitude of the signal. Form factor for sinusoidal half wave and full wave are 1.11 and 2.22 respectively. One should also take care of voltage drop accross the rectifier diodes in calculation.
