Assume that the ammeter you are using in circuit analysis is made from a galvanometer with...
Assume that the ammeter you are using in circuit analysis is made from a galvanometer with 70 Ω of resistance and a shunt resistor. The galvanometer has a maximum reading when 0.002 A flows through it. The ammeter, however, can make a maximum reading of 3.0 A. Determine the value of the shunt resistor.
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Assume that the ammeter you are using in circuit analysis is
made from a galvanometer with...
I1 Suppose that the current to be measured by an ammeter is so large that a galvanometer deflecte...
I1 Suppose that the current to be measured by an ammeter is so large that a galvanometer deflected by the current would be pinned at its maximum reading. This problem can be resolved by the use of a shunt resistor (Fig. 27-45). Show that with the shunt resistor (resistance R,) present, the current I is given in terms of a reduced current lG flowing through the galvanometer by the formula IIG[1 + (RG/R,)], where RG is the resistance of the...
In the circuit shown below the ammeter consists of a galvanometer, with resistance Rg = 100...
In the circuit shown below the ammeter consists of a
galvanometer, with resistance Rg = 100 Ω, in parallel with a
‘shunt’ resistor, Rs = 2.00 Ω. The current, Ig, flowing through the
galvanometer is 22.1 mA. The external circuit resistance is Rc =
20.0 Ω. If the EMF of the cell is 25.0 V, what is its internal
resistance?
EMF 25.0 V A )ammeter
Given that a certain galvanometer has an internal resistance of 254 Ω and can handle a...
Given that a certain galvanometer has an internal resistance of 254 Ω and can handle a maximum current of 250 μA, design an ammeter capable of reading at full-scale deflection (the maximum current without burning up the meter) 10 A and a voltmeter capable of reading at full-scale deflection 10 V. Assume that the space available in the meter for the shunt (for the ammeter) or limiting (for the voltmeter) resistor is no more than 5 mm in length and...
1. Given that a certain galvanometer has an internal resistance of 254 N and can handle...
1. Given that a certain galvanometer has an internal resistance of 254 N and can handle a maximum current of 250 A, design an ammeter capable of reading at full- scale deflection (the maximum current without burning up the meter) 10 A and a voltmeter capable of reading at full-scale deflection 10 V. Assume that the space available in the meter for the shunt (for the ammeter) or limiting (for the voltmeter) resistor is no more than 5 mm in...
1. Given that a certain galvanometer has an internal resistance of 254 1 and can handle...
1. Given that a certain galvanometer has an internal resistance of 254 1 and can handle a maximum current of 250 HA, design an ammeter capable of reading at full- scale deflection (the maximum current without burning up the meter) 10 A and a voltmeter capable of reading at full-scale deflection 10 V. Assume that the space available in the meter for the shunt (for the ammeter) or limiting (for the voltmeter) resistor is no more than 5 mm in...
1. Given that a certain galvanometer has an internal resistance of 254 12 and can handle...
1. Given that a certain galvanometer has an internal resistance of 254 12 and can handle a maximum current of 250 UA, design an ammeter capable of reading at full- scale deflection (the maximum current without burning up the meter) 10 A and a voltmeter capable of reading at full-scale deflection 10 V. Assume that the space available in the meter for the shunt (for the ammeter) or limiting (for the voltmeter) resistor is no more than 5 mm in...
A circuit you’re building needs an ammeter that goes from 0 mA to a full-scale reading...
A circuit you’re building needs an ammeter that goes from 0 mA to a full-scale reading of 50.0 mA. Unfortunately, the only ammeter in the storeroom goes from 0 μA to a full-scale reading of only 500 μA. Fortunately, you can make this ammeter work by putting it in a measuring circuit, as shown in Figure 65 This lets a certain fraction of the current pass through the meter; knowing this value, you can deduce the total current. Assume that...
A circuit you're building needs an ammeter that goes from 0 mA to a full-scale reading...
A circuit you're building needs an ammeter that goes from 0 mA to a full-scale reading of 60.0 mA . Unfortunately, the only ammeter in the storeroom goes from 0μA to a full-scale reading of only 500μA. Fortunately, you've just finished a physics class, and you realize that you can make this ammeter work by putting a resistor in parallel with it, as shown in the figure (Figure 1) . You've measured that the resistance of the ammeter is 90.0...
Ammeter and Resistance
A circuit you're building needs an ammeter that goes from 0 mA to a full-scale reading of 40.0 mA. Unfortunately, the only ammeter in the storeroom goes from 0 μAto a full-scale reading of only 500 μA. Fortunately, you can make this ammeter work by putting it in a measuring circuit, as shown in the figure. This lets acertain fraction of the current pass through the meter; knowing this value, you can deduce the total current. Assume that the ammeter...
4. In the circuit shown in the Fig, the 6.0 Ω resistor is consuming energyat a...
4. In the circuit shown in the Fig, the 6.0 Ω resistor is consuming energyat a rate of 241/s when the current through it flows as shown. (a) Find the current through the ammeter A. (b) What are the polarity and em the unknown battery, assuming it has negligi f ε of ble internal resistance? 2000 17Ω 6,0Ω 20.0 n pa 25V 3.0 Ω 13Ω 1.0n
I1 Suppose that the current to be measured by an ammeter is so large that a galvanometer deflected by the current would be pinned at its maximum reading. This problem can be resolved by the use of a shunt resistor (Fig. 27-45). Show that with the shunt resistor (resistance R,) present, the current I is given in terms of a reduced current lG flowing through the galvanometer by the formula IIG[1 + (RG/R,)], where RG is the resistance of the...
In the circuit shown below the ammeter consists of a
galvanometer, with resistance Rg = 100 Ω, in parallel with a
‘shunt’ resistor, Rs = 2.00 Ω. The current, Ig, flowing through the
galvanometer is 22.1 mA. The external circuit resistance is Rc =
20.0 Ω. If the EMF of the cell is 25.0 V, what is its internal
resistance?
EMF 25.0 V A )ammeter
1. Given that a certain galvanometer has an internal resistance of 254 N and can handle a maximum current of 250 A, design an ammeter capable of reading at full- scale deflection (the maximum current without burning up the meter) 10 A and a voltmeter capable of reading at full-scale deflection 10 V. Assume that the space available in the meter for the shunt (for the ammeter) or limiting (for the voltmeter) resistor is no more than 5 mm in...
1. Given that a certain galvanometer has an internal resistance of 254 1 and can handle a maximum current of 250 HA, design an ammeter capable of reading at full- scale deflection (the maximum current without burning up the meter) 10 A and a voltmeter capable of reading at full-scale deflection 10 V. Assume that the space available in the meter for the shunt (for the ammeter) or limiting (for the voltmeter) resistor is no more than 5 mm in...
1. Given that a certain galvanometer has an internal resistance of 254 12 and can handle a maximum current of 250 UA, design an ammeter capable of reading at full- scale deflection (the maximum current without burning up the meter) 10 A and a voltmeter capable of reading at full-scale deflection 10 V. Assume that the space available in the meter for the shunt (for the ammeter) or limiting (for the voltmeter) resistor is no more than 5 mm in...
A circuit you’re building needs an ammeter that goes from 0 mA to a full-scale reading of 50.0 mA. Unfortunately, the only ammeter in the storeroom goes from 0 μA to a full-scale reading of only 500 μA. Fortunately, you can make this ammeter work by putting it in a measuring circuit, as shown in Figure 65 This lets a certain fraction of the current pass through the meter; knowing this value, you can deduce the total current. Assume that...
A circuit you're building needs an ammeter that goes from 0 mA to a full-scale reading of 40.0 mA. Unfortunately, the only ammeter in the storeroom goes from 0 μAto a full-scale reading of only 500 μA. Fortunately, you can make this ammeter work by putting it in a measuring circuit, as shown in the figure. This lets acertain fraction of the current pass through the meter; knowing this value, you can deduce the total current. Assume that the ammeter...
4. In the circuit shown in the Fig, the 6.0 Ω resistor is consuming energyat a rate of 241/s when the current through it flows as shown. (a) Find the current through the ammeter A. (b) What are the polarity and em the unknown battery, assuming it has negligi f ε of ble internal resistance? 2000 17Ω 6,0Ω 20.0 n pa 25V 3.0 Ω 13Ω 1.0n
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