In lieu of the resolutions, or any of them, provided for in the preceding section, a petition or petitions may be presented to the clerk of the board of supervisors of each county in which any part of the proposed district is situated, signed by at least ten percent (10%) of the qualified voters in any election unit or units to be included in the proposed district. Said petition shall declare that in the opinion of the petitioners, public convenience and necessity demand the creation and maintenance of a power district, and shall contain the information required by this article of the resolutions referred to in the preceding section. The petition may be on separate sheets of paper, but each sheet shall contain the affidavit of the person who circulated the same, certifying that each name signed thereto is the true signature of the person whose name it purports to be.