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What is meant by lagging and leading circuit?
The terms, 'lagging' and 'leading', describe the relationship between a circuit's load current and supply voltage. They describe whether the load current waveform is leading or lagging the supply voltage -always the current, never the voltage. Inductive loads always cause the current to lag the supply voltage, whereas capacitive loads always cause the current to lead the supply voltage.
What can electromyography do?
EMG can determine whether a particular muscle is responding appropriately to stimulation, and whether a muscle remains inactive when not stimulated.
What happen applying dc supply to ac induction motor?
It depends on whether the field winding of the dc motor is connected in series or in shunt with the armature winding.If it is connected in series,the motor will rotate since the torque,which varies as the product of the armature and field current is always positive.Thus,a positive average torque causes the motor to rotate,however the pulsating nature may cause the commutator segments and brushes to wear out. Thus only small sized dc motors may be used with ac supply.
What are the two main uses of a transistor?
a) to act as a switching device; a change in the bias voltage at the base- emitter junction can cause an increase in signal flowing through the transistor through the collector terminal and this cause the output voltage at the collector terminal to change; eg to drop to a low voltage level, this is seen as the transistor device switching on to maximum conduction rate and a low level output at the collector. b) to act an amplifer . whether the input signal is an ac type signal in which case its a signal power amplifer function; eg sound amplifer control circuits , or whether a dc input signal, in which case the input dc signal is amplfied to be reproduced as a bigger signal at the output collector terminal
What best describes the function of standardization of the ekg machine?
standardization is important because it helps to determine whether the machine is set and working properly or not.
Is electrical a non contact force?
Static electricity is a non contact force because : Whether an object is charged by conduction or induction or even by friction they acquire a charge and the objects acquire opposite charge in induction and friction but same charge in conduction. So when the charged body is brought near an uncharged body if they have opposite charge they will be attracted towards the charged body due to the movement of ionic particles.
Is electrostatic force a contact or non-contact force?
Static electricity is a non contact force because : Whether an object is charged by conduction or induction or even by friction they acquire a charge and the objects acquire opposite charge in induction and friction but same charge in conduction. So when the charged body is brought near an uncharged body if they have opposite charge they will be attracted towards the charged body due to the movement of ionic particles.
What is the function of an electroscope?
Well it can be used for radiation, etc. the main function is to demonstrate various electrostatic phenomena, e.g., conduction and induction of electric charges. it can also be used to see if something is charged which should make the two fine aluminum blades repel. You can find more information on this site http://www.orau.org/ptp/collection/electroscopes/electroscopeintroduction.htm hope this helped you understand a little more
Can conduction travel through a vacuum?
Conduction occurs between two contacting objects, so whether or not they're in a vacuum is irrelevant.
How can you find out your common use stainless steel pots are whether comply or not with induction plate?
They do not. Pots and pans need a specially made base for the induction cooking process.
Can you plug a 230V 50Hz welding machine into 220V 60Hz outlets?
FIRST THING I WANT TO KNOW THAT WHETHER YOU ARE TALKING ABOUT INDUCTION MACHINE OR SYNCHRONOUS MACHINE? IN INDUCTION MACHINE, RATIO OF VOLTAGE TO FREQUENCY MUST BE SAME FOR CONSTANT TORQUE. IN THESE CASE AS YOU CAN SEE, V/f RATIO IS NOT CONSTANT THEN INDUCTION MOTOR WOULD NOT RUN.
What is a word for an electrically charged atom?
An ion is a word for an electrically charged atom. Ions can be positively charged (cations) or negatively charged (anions) depending on whether they have lost or gained electrons.
When an object is charged by rubbing how to identify whether the charge of the object is positive or negative?
An object that gains electrons during rubbing will become negatively charged, while an object that loses electrons will become positively charged. This is based on the principle that electrons are negatively charged particles.
Describe the function purpose and participants in the grand jury?
A jury of 12 to 23 persons convened in private session to evaluate accusations against persons charged with crime and to determine whether the evidence warrants a bill of indictment. Source: Answers.com
What is a charged atom particle called?
Electrons are negatively charged (around the nucleus) and protons are positively charged (inside the nucleus)
How will you describe the graph of a function?
· whether it is linear, quadratic or exponential · whether it has an upper or lower bound · whether it has a minimum or a maximum value · whether it is constant, decreasing or increasing
Can you be charged for doing drugs at a childcare?
YES of course you can whether your a parent or childcare worker.
