If you are using a DMM, you'll find it easier to understand the readout. It will be in ohms, K ohms or M ohms. If you have set the scale where the upper end of the range is below the resistor value, you will see either a flashing display or sometimes OL for "over limit." Tu...
Consider the circuit in fig. (b) to find the change in reading As we know the formula for base current, I(B) = (V(BB) - V(BE))/(R(1)) As R(i) is increased, I(B) is decreased. Now, the current in ammeter is collector current I(C). I(C) = beta I
Location varies by manufacturer, but typically this can be found on the top of the machine behind the control panel. This can be relatively simple based on the make and model, but be sure to consult the owner's manual to find out how to disassemble your particular machine properly. Caution...
Ohm’s Law (R = E/I) only holds, theoretically, at an infinite time (that implies waiting forever before taking a reading). It is also highly dependent upon starting from a base level of total discharge. The first step in any insulation test is, therefore, to ensure that the insulation...
Find the voltage in the direct current circuit of 480 watts with an amperage reading of 15 amperes. Using the translated formula: volts=wattsamperes=480watts15amperes=32volts Things Needed AC clamp-on ammeter DC inline (series) ammeter
Note: while the DMM settings described in this article were written to describe using a Fluke DMM, most digital multimeters will have very similar controls and will use similar measurement procedures. At left our photo illustrates the Sperry DSA-500 clamp-on multimeter/ammeter reading 0.28A (Amps...
You use a 29.7 m ohm shunt resistor to convert this galvanometer into an ammeter. Find the ma What is the resistance of a voltmeter? How would the readings in the ammeter (in mA) and voltmeter (in volts) change if the 4.50 V battery was flipped so that its positive terminal was to ...
Test the switch with a volt-ohm-milliammeter (VOM) set to the RX1 scale. Disconnect the switch leads and clip one probe of the VOM to each switch terminal. Press the switch closed with your finger. The VOM should read zero. If the needle jumps, the switch is faulty and should be ...
myself i use mostly Scotch 27 glass cloth tape but only because i had several rolls of it . I'd like to try their polyester. SanPhysics said: I mean How to find both primary and secondary magnet wire use how much Inner diameter (not area in cm2)of the core? How many layers ...
Unlike direct current, alternating current (AC) does not find many applications in low-voltage electronics. It is the reason many multimeters do not feature an AC ammeter. But for those that do, measuring AC is a similar process as DC; the rotary dial needs to be set to AC, though. ...