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1.A wire of length /, made of material resistivity ρ is cut into two equal parts. The resistivity of the two parts are equal to,Single choice. ρ2 ρ3 ρρ/22.Two devices are connected between two points say A and B in parallel. The physical quantity that will remain the same between the two points isSingle choice. currentvoltageresistanceNone of these3.Which of the given is the SI Unit of Electric Current?Single choice. OhmAmpereVoltFaraday4.The rate of flow of an electric charge is known as :Single choice. Electric potentialElectric conductanceElectric currentNone of these5.The instrument used for measuring electric current is :Single choice. AmmeterGalvanometerVoltmeterPotentiometer6.The relation between potential difference (V) and current (I) is :Single choice. V α I2V α 1/IV2 α IV α I7.The SI unit of resistance is :Single choice. WattJouleNewtonOhm8.On which of the given resistance does not depend :Single choice. Length of conductorArea of cross-sectionTemperatureDensity9.Conventionally, the direction of the current is taken asSingle choice. the direction of flow of negative chargethe direction of flow of atomsthe direction of flow of moleculesthe direction of flow of positive charge10.The unit of specific resistance isSingle choice. ohmohm/metreohm-metrejoule​

Answer» <html><body><p><strong>Answer:</strong></p><p>Answer: The <a href="https://interviewquestions.tuteehub.com/tag/resistivity-17179" style="font-weight:bold;" target="_blank" title="Click to know more about RESISTIVITY">RESISTIVITY</a> of the two parts will be same. If we <a href="https://interviewquestions.tuteehub.com/tag/cut-942198" style="font-weight:bold;" target="_blank" title="Click to know more about CUT">CUT</a> the <a href="https://interviewquestions.tuteehub.com/tag/wire-1457703" style="font-weight:bold;" target="_blank" title="Click to know more about WIRE">WIRE</a> into two equal parts then the length will be change of the wire but will not change the resistivity of the wire. Because resistivity <a href="https://interviewquestions.tuteehub.com/tag/depends-948548" style="font-weight:bold;" target="_blank" title="Click to know more about DEPENDS">DEPENDS</a> <a href="https://interviewquestions.tuteehub.com/tag/upon-2315586" style="font-weight:bold;" target="_blank" title="Click to know more about UPON">UPON</a> the material of the wire.</p></body></html>


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