如果用科技文体来翻译“可以用一个数字万用表来测量电路中电阻两端的电流。” 下面哪一个译文更好? A、A digital multimeter can be employed to measure the voltage across a resistor in a circuit. B、We can use a digital multimeter to measure the voltage across a resistor in a circuit 点击查看答...
One technique is to measure the differential voltage drop across such a resistor. These are generally low-value resistors, often smaller than 1 Ohm. Measuring current with a current probe: When used in conjunction with an oscilloscope’s voltage measurements capabilities, current probes can enable ...
so when the voltmeter reading is equal to Um, the voltage across R2 will be greater than Um, making R2>RV, resulting in the measurement of RV The value is too large. Obviously, the half-bias voltage method is suitable for measuring the resistance of a...
If you have a multimeter (and you should have one if you work with this stuff) measure the voltage and compare the measurement to what you see on the serial monitor. Depending upon how close to 5-volts your Arduino power source is you may or may not see the same value. Let’s see ...
Connect the measurement leads to the multimeter. These are supplied with the multimeter and there should be a red lead and a black lead. Connect the red lead to the positive plug and the black lead to the negative plug. Rotate the dial on the front to the DC voltage position which is ...
Step 3: Measuring the Voltage Across the Load Resistor Here is the tricky part, you have to complete this test as fast as possible, or else you might not get an accurate reading. I suggest to connect the resistance across the test lead of the multimeter, then make contact to the battery...
t really ‘open up’ the circuit to put a multimeter in series with what you want to measure. This is solved quite simply too – you just need to measure the voltage across a known resistance in the circuit – the current then is simply the voltage divided by the resistance (from Ohm...
Source Measure Units Programmable DC Sources Function Generators Voltage and Current Calibrators and Standards Digital Multimeters Digital Multimeters Calibrators Portable Power Quality Monitor/Recorder Clamp-on Testers DC Precision Measuring Insulation Testers Earth Ground Testers Thermometers ...
The voltage across the resistor is a few (或或several) tenths of a volt. The voltage across this component is a few tenths of a volt.练习练习1.这个元件这个元件(component)上的电压(上的电压(voltage)为零点几伏为零点几伏(volt)。2.这种蓄电池的内阻仅为零点零零几欧姆。这种蓄电池的内阻仅为...
1.5 V 1 22 In this case, the voltage across each resistor is the same (since both are connected directly to the battery terminals) but the current in each is in general not the same. Rather, the sum of the currents 1 and 2 through the resistors must be equal to the total current ...