268556 A potentiometer wire of length\(100 \mathrm{~cm}\) has a resistance \(5 \Omega\). It is connected in series with a resistance and a cell of emf \(2 v\) and of negligibleinternal resistance. A source of emf \(5 \mathrm{mv}\) balanced by \(10 \mathrm{~cm}\) length of potentiometer wire. The value of external reistance is

268557 \(1_{\Omega}\) resistance is in series with an Ammeter which is balanced by \(75 \mathrm{~cm}\) of potentiometer wire. A standard cell of \(1.02 \mathrm{~V}\) is balanced by \(50 \mathrm{~cm}\). TheA mmeter shows a reading of 1.5A. The error in the Ammeter reading is

268558 An ideal battery ofemf \(2 \mathrm{~V}\) and a series resistance \(R\) are connected in the primary circuit of a potentio meter of length \(1 \mathrm{~m}\) and resistance \(5 \Omega\). The value of \(R\) to give a potential difference of \(5 \mathrm{mV}\) across the \(10 \mathrm{~cm}\) of potentiometer wire is

268559 In an experiment for calibration of voltmeter, a standard cell ofemf \(1.5 \mathrm{~V}\) is balanced at \(300 \mathrm{~cm}\) length of potentiometer wire. The P.D .across a resistancein the circuit is balanced at \(1.25 \mathrm{~m}\). If a voltmeter is connected across the same resistance, it reads \(0.65 \mathrm{~V}\). The error in the volt meter is

268556 A potentiometer wire of length\(100 \mathrm{~cm}\) has a resistance \(5 \Omega\). It is connected in series with a resistance and a cell of emf \(2 v\) and of negligibleinternal resistance. A source of emf \(5 \mathrm{mv}\) balanced by \(10 \mathrm{~cm}\) length of potentiometer wire. The value of external reistance is

268557 \(1_{\Omega}\) resistance is in series with an Ammeter which is balanced by \(75 \mathrm{~cm}\) of potentiometer wire. A standard cell of \(1.02 \mathrm{~V}\) is balanced by \(50 \mathrm{~cm}\). TheA mmeter shows a reading of 1.5A. The error in the Ammeter reading is

268558 An ideal battery ofemf \(2 \mathrm{~V}\) and a series resistance \(R\) are connected in the primary circuit of a potentio meter of length \(1 \mathrm{~m}\) and resistance \(5 \Omega\). The value of \(R\) to give a potential difference of \(5 \mathrm{mV}\) across the \(10 \mathrm{~cm}\) of potentiometer wire is

268559 In an experiment for calibration of voltmeter, a standard cell ofemf \(1.5 \mathrm{~V}\) is balanced at \(300 \mathrm{~cm}\) length of potentiometer wire. The P.D .across a resistancein the circuit is balanced at \(1.25 \mathrm{~m}\). If a voltmeter is connected across the same resistance, it reads \(0.65 \mathrm{~V}\). The error in the volt meter is

268556 A potentiometer wire of length\(100 \mathrm{~cm}\) has a resistance \(5 \Omega\). It is connected in series with a resistance and a cell of emf \(2 v\) and of negligibleinternal resistance. A source of emf \(5 \mathrm{mv}\) balanced by \(10 \mathrm{~cm}\) length of potentiometer wire. The value of external reistance is

268557 \(1_{\Omega}\) resistance is in series with an Ammeter which is balanced by \(75 \mathrm{~cm}\) of potentiometer wire. A standard cell of \(1.02 \mathrm{~V}\) is balanced by \(50 \mathrm{~cm}\). TheA mmeter shows a reading of 1.5A. The error in the Ammeter reading is

268558 An ideal battery ofemf \(2 \mathrm{~V}\) and a series resistance \(R\) are connected in the primary circuit of a potentio meter of length \(1 \mathrm{~m}\) and resistance \(5 \Omega\). The value of \(R\) to give a potential difference of \(5 \mathrm{mV}\) across the \(10 \mathrm{~cm}\) of potentiometer wire is

268559 In an experiment for calibration of voltmeter, a standard cell ofemf \(1.5 \mathrm{~V}\) is balanced at \(300 \mathrm{~cm}\) length of potentiometer wire. The P.D .across a resistancein the circuit is balanced at \(1.25 \mathrm{~m}\). If a voltmeter is connected across the same resistance, it reads \(0.65 \mathrm{~V}\). The error in the volt meter is

268556 A potentiometer wire of length\(100 \mathrm{~cm}\) has a resistance \(5 \Omega\). It is connected in series with a resistance and a cell of emf \(2 v\) and of negligibleinternal resistance. A source of emf \(5 \mathrm{mv}\) balanced by \(10 \mathrm{~cm}\) length of potentiometer wire. The value of external reistance is

268557 \(1_{\Omega}\) resistance is in series with an Ammeter which is balanced by \(75 \mathrm{~cm}\) of potentiometer wire. A standard cell of \(1.02 \mathrm{~V}\) is balanced by \(50 \mathrm{~cm}\). TheA mmeter shows a reading of 1.5A. The error in the Ammeter reading is

268558 An ideal battery ofemf \(2 \mathrm{~V}\) and a series resistance \(R\) are connected in the primary circuit of a potentio meter of length \(1 \mathrm{~m}\) and resistance \(5 \Omega\). The value of \(R\) to give a potential difference of \(5 \mathrm{mV}\) across the \(10 \mathrm{~cm}\) of potentiometer wire is

268559 In an experiment for calibration of voltmeter, a standard cell ofemf \(1.5 \mathrm{~V}\) is balanced at \(300 \mathrm{~cm}\) length of potentiometer wire. The P.D .across a resistancein the circuit is balanced at \(1.25 \mathrm{~m}\). If a voltmeter is connected across the same resistance, it reads \(0.65 \mathrm{~V}\). The error in the volt meter is