1. A
   ammeter and voltmeter are both connected in parallel.
2. B
   ammeter and voltmeter are both connected in series.
3. C
   ammeter is connected in parallel and the voltmeter in series.
4. D
   ammeter is connected in series and the voltmeter in parallel.

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1. A
   Kilo - joule
2. B
   Kilowatt - hour
3. C
   Watt - hour
4. D
   Watt

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1. A
   4 times
2. B
   One - half
3. C
   2 times
4. D
   One - fourth

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1. A
   $45\,\Omega$
2. B
   $60\,\Omega$
3. C
   $30\,\Omega$
4. D
   $25\,\Omega$

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1. A
   $I^2 R$
2. B
   $\frac{V^2}{R}$
3. C
   $IR^2$
4. D
   $VI$

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1. A
   Half
2. B
   Four times
3. C
   Double
4. D
   One - fourth

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1. A
   A conductor
2. B
   A semiconductor
3. C
   A superconductor
4. D
   An insulator

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1. A
   Ohm - meter
2. B
   Joule
3. C
   Watt
4. D
   Coulomb

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1. A
   $\frac{\text{Work done}}{\text{Current} \times \text{Time}}$
2. B
   $\frac{\text{Work done}}{\text{Work done} \times \text{Charge} \times \text{Time}}$
3. C
   Work done $\times$ Charge $\times$ Time
4. D
   Work done $\times$ Charge

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1. A
   four times
2. B
   one - fourth
3. C
   double
4. D
   half

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1. A
   Both ammeter and voltmeter in parallel
2. B
   Ammeter in series and voltmeter in parallel
3. C
   Ammeter in parallel and voltmeter in series
4. D
   Both ammeter and voltmeter in series

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1. A
   0.3
2. B
   3
3. C
   4
4. D
   12

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1. A
   Nichrome
2. B
   Filament of a bulb
3. C
   LED
4. D
   Transistor

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1. A
   6000 J
2. B
   1500 J
3. C
   15000 J
4. D
   3000 J

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1. A
   ohm-metre
2. B
   ohm per metre$^2$
3. C
   ohm-metre$^2$
4. D
   ohm per metre$^3$

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1. A
   Four times
2. B
   Half
3. C
   One - fourth
4. D
   Double

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1. A
   $\frac{r_1 r_2}{r_1 + r_2}$
2. B
   $\frac{r_1 + r_2}{r_1 r_2}$
3. C
   $\frac{r_1 + \sqrt{r_1^2 - 4 r_1 r_2}}{r_1 - \sqrt{r_1^2 - 4 r_1 r_2}}$
4. D
   $\frac{r_2 + \sqrt{r_1^2 - 4 r_1 r_2}}{r_2 - \sqrt{r_1^2 - 4 r_1 r_2}}$

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1. A
   30 J
2. B
   20 J
3. C
   10 J
4. D
   5 J

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1. A
   20A
2. B
   3A
3. C
   5A
4. D
   4A

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1. A
   $y \times z \times x$
2. B
   $x^2 \times y \times z$
3. C
   $x \times z \times y^2$
4. D
   $y \times z^2 \times x$

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1. A
   $8\,\Omega$
2. B
   $1\,\Omega$
3. C
   $2.5\,\Omega$
4. D
   $2\,\Omega$

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1. A
   200 %
2. B
   400 %
3. C
   300 %
4. D
   100 %

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1. A
   4 A
2. B
   1 A
3. C
   5 A
4. D
   2 A

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1. A
   All of these
2. B
   Ammeter reading will change
3. C
   The resistor will get heated up changing the value of "R"
4. D
   Voltmeter reading will change

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1. A
   454 ohm
2. B
   384 ohm
3. C
   254 ohm
4. D
   484 ohm

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