megohm वाक्य
उदाहरण वाक्य
मोबाइल
- Consequently, a one-meter direct ( 1X ) coaxial probe will load a circuit with a capacitance of about 110 pF and a resistance of 1 megohm.
- A typical probe uses a 9 megohm series resistor shunted by a low-value capacitor to make an RC compensated divider with the cable capacitance and scope input.
- The probe cables usually have a characteristic impedance of 50 ohms and connect to oscilloscopes with a matched 50 ohm ( rather than a 1 megohm ) input impedance ).
- Consequently, a one-meter high-impedance direct ( 1?) coaxial probe may load the circuit with a capacitance of about 110 pF and a resistance of 1 megohm.
- The cable capacitance of 90 pF in parallel with the scope input of 20 pF and 1 megohm ( total capacitance 110 pF ) also gives a time constant of 110 microseconds.
- If your resistance ( including dry boots ) was . 5 megohm, then the leakage through the fence would be a small factor and you would get a pretty good jolt.
- If one fence insulator has a resistance of, say 50 megohms to ground, then 10 would have a combined resistance of 5 megohms ( the leakages would be in parallel ).
- If one fence insulator has a resistance of, say 50 megohms to ground, then 10 would have a combined resistance of 5 megohms ( the leakages would be in parallel ).
- Adding humidity might allow the static to discharge naturally, or you might prefer to add a slow discharge circuit ( experiment with a connection to earth through a resistor of many megohms ).
- A modern digital voltmeter such as the Fluke 87V has a 10 megohm input impedance, so is if is measuring say a 1.5 volt emf, it would draw 0.15 microamperes.
- The commonly used standard cell has a width of 1 cm, and thus for very pure water in equilibrium with air would have a resistance of about 10 6 ohm, known as a megohm.
- In the dark, a photoresistor can have a resistance as high as several megohms ( M? ), while in the light, a photoresistor can have a resistance as low as a few hundred ohms.
- Commonly used multiples and submultiples in electrical and electronic usage are the microohm, milliohm, kilohm, megohm, and gigaohm; the term " gigohm ", though not official, is in common use for the latter.
- For example, the gain may be required to be 100 times, with a tolerance of 5 % but drift of less than 1 % in a specified temperature range; the input impedance not less than one megohm; etc.
- This arrangement of passive components forms a resistively-damped second-order low-pass megohm or more, and a low impedance load reduces the high-frequency response of the pickup because of the filtering effect of the inductance.
- If there were 100 insulators on a long fence, the leakage resistance would have a combined resistance of . 5 megohm, the same as yours ( hypothetically ) and half the jolt would go through the fence leakage to ground.
- This is often either one or ten megohms; the standardization of the input resistance allows the use of external high-resistance probes which form a voltage divider with the input resistance to extend voltage range up to tens of thousands of volts.
- More modern probe designs use a thick-film electronic circuit in the head that combines the 9 megohm resistor with a fixed-value bypass capacitor; they then place a small adjustable capacitor in parallel with the oscilloscope's input capacitance.
- High-impedance scope probes are designed for the conventional 1 megohm oscilloscope, but the 1 megohm input impedance is only at low frequency; the input impedance is not a constant 1 megohm across the probe's bandwidth but rather decreases with frequency.
- High-impedance scope probes are designed for the conventional 1 megohm oscilloscope, but the 1 megohm input impedance is only at low frequency; the input impedance is not a constant 1 megohm across the probe's bandwidth but rather decreases with frequency.
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