CBSE Class 10 - Science - Unit 12 - Online Tests - “Electricity”
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CBSE Class 10 - Science - Unit 12 - Online Tests - “Electricity”
A fuse wire is inserted in which wire?
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The instrument used for measuring electric current is :  
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The amount of work done in joules, when one unit electric charge moves from one point to another point in an electric circuit is called :
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The relation between potential difference (V) and current (I) is :
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The obstruction offered by material of conductor to the passage of electric current is known as :
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Which of the given statements is not true, regarding the electrical set-up for the verification of Ohm’s law:
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A battery of 12V is connected in series with resistors of 0.2 ohm, 0.3 ohm, 0.4 ohm, 0.5 ohm and 12 ohm. How much current would flow through the 0.3 ohm resistor?
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In parallel combination of electrical appliances, total electrical power
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 If length of a conductor and it's radius is increased twice, how the resistance will change?
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Equipment resistance of 4 4Ω resistance in parallel is
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 There is wire of length I and cross section A. Which of the given have least resistance?
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 Two resistances R1 and R2 are connected with a cell in parallel. Find the ratio of current flowing through R1 to the current flowing through R2.
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Amount of energy delivered by a power of one kilowatt in one hour is called _______
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Materials having non linear voltage current relationship are ____
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In a filament type light bulb, most of the electric power consumed appears as:
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If the current flowing through a fixed resistor is halved, the heat produced in it will become:
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The heat produced by passing an electric current through a fixed resistor is proportional to the square of:
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An electric heater is rated at 2 Kw. Electrical energy costs Rs 4 per k Wh. What is the cost of using the heater for 3 hours?
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An electric fuse works on the:
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 If the amount of electric charge passing through a conductor in 10 minutes is 300 C, the current flowing is:
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When a 4 Ω resistor is connected across the terminals of a 12 V battery, the number of coulombs passing through the resistor per second is:
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Keeping the potential difference constant, the resistance of a circuit is doubled. The current will become:
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The unit for measuring potential difference is:
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The resistance of a wire of length 300 m and cross-section area, 1.0 mm² made of material of resistivity 1.0 x 10⁻⁷ Ω is:
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The unit of electrical resistance is:
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