he Wheatstone bridge in the circuit shown in figure 3 is balanced when R3 equals 3000 Ω and unbalanced when R3 equals 3003 Ω. Assume that the voltage v is equal to 30 V and that the internal resistance of the galvanometer is equal to 37 Ω. Write out all equations and units in full. Calculate the voltage V1 in volts. 3.2) Bereken die spanning V2 in volts. / Calculate the voltage V2 in volts. 3.3) Bereken die Thévenin-ekwivalente spanning in millivolts ten opsigte van die galvanometer-terminale. / Calculate the Thévenin equivalent voltage in millivolts with respect to the galvanometer terminals.
The Wheatstone bridge in the circuit shown in figure 3 is balanced when R3 equals 3000 Ω and unbalanced
when R3 equals 3003 Ω. Assume that the voltage v is equal to 30 V and that the internal resistance of the
galvanometer is equal to 37 Ω. Write out all equations and units in full.
Calculate the voltage V1 in volts.
3.2) Bereken die spanning V2 in volts. / Calculate the voltage V2 in volts.
3.3) Bereken die Thévenin-ekwivalente spanning in millivolts ten opsigte van die galvanometer-terminale. /
Calculate the Thévenin equivalent voltage in millivolts with respect to the galvanometer terminals.
3.4) Bereken die Thévenin-ekwivalente weerstand in ohm ten opsigte van die galvanometer-terminale. /
Calculate the Thévenin equivalent resistance in ohm with respect to the galvanometer terminals.
3.5) Bereken die hoeveelheid stroom in mikro-ampere wat die galvanometer meet wanneer die brug
ongebalanseerd is. Neem aan dat die spanning V2 gelyk is aan 8.565 V. / Calculate the amount of
current in microampere that the galvanometer measure when the bridge is unbalanced. Assume that the
voltage V2 is equal to 8.565 V.
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